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56955552 = 2531095443
BaseRepresentation
bin1101100101000…
…1001010100000
310222011122022220
43121101022200
5104040034202
65352431040
71261054113
oct331211240
9128148286
1056955552
112a171605
12170a8480
13ba52314
1477c857a
155000abc
hex36512a0

56955552 has 48 divisors (see below), whose sum is σ = 150907680. Its totient is φ = 18807552.

The previous prime is 56955551. The next prime is 56955553. The reversal of 56955552 is 25555965.

It is an interprime number because it is at equal distance from previous prime (56955551) and next prime (56955553).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (56955551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7743 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (3143910).

Almost surely, 256955552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56955552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75453840).

56955552 is an abundant number, since it is smaller than the sum of its proper divisors (93952128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56955552 is a wasteful number, since it uses less digits than its factorization.

56955552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565 (or 5557 counting only the distinct ones).

The product of its digits is 337500, while the sum is 42.

The square root of 56955552 is about 7546.8902204815. The cubic root of 56955552 is about 384.7500530922.

The spelling of 56955552 in words is "fifty-six million, nine hundred fifty-five thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 109 218 327 436 654 872 1308 1744 2616 3488 5232 5443 10464 10886 16329 21772 32658 43544 65316 87088 130632 174176 261264 522528 593287 1186574 1779861 2373148 3559722 4746296 7119444 9492592 14238888 18985184 28477776 56955552