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55311741760 = 26511293311637
BaseRepresentation
bin110011100000110101…
…100011001101000000
312021202202210121111011
4303200311203031000
51401234301214020
641224310330304
73665451022222
oct634065431500
9167682717434
1055311741760
1121504044280
12a877959994
1352a637a9a2
142969d80412
15168ad7935a
hexce0d63340

55311741760 has 224 divisors, whose sum is σ = 149179605120. Its totient is φ = 19349299200.

The previous prime is 55311741713. The next prime is 55311741763. The reversal of 55311741760 is 6714711355.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55311741763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33787662 + ... + 33789298.

It is an arithmetic number, because the mean of its divisors is an integer number (665980380).

Almost surely, 255311741760 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 55311741760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74589802560).

55311741760 is an abundant number, since it is smaller than the sum of its proper divisors (93867863360).

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

55311741760 is a wasteful number, since it uses less digits than its factorization.

55311741760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 55311741760 in words is "fifty-five billion, three hundred eleven million, seven hundred forty-one thousand, seven hundred sixty".