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55449541 = 746117183
BaseRepresentation
bin1101001110000…
…1011111000101
310212100010110201
43103201133011
5103143341131
65300250501
71242212320
oct323413705
9125303421
1055449541
1129333074
12166a0a31
13b6459a4
1475157b7
154d04761
hex34e17c5

55449541 has 8 divisors (see below), whose sum is σ = 63512064. Its totient is φ = 47422320.

The previous prime is 55449533. The next prime is 55449551. The reversal of 55449541 is 14594455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55449541 - 23 = 55449533 is a prime.

It is a super-2 number, since 2×554495412 = 6149303194221362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55449541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55449551) 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, 5365 + ... + 11818.

It is an arithmetic number, because the mean of its divisors is an integer number (7939008).

Almost surely, 255449541 is an apocalyptic number.

It is an amenable number.

55449541 is a deficient number, since it is larger than the sum of its proper divisors (8062523).

55449541 is a wasteful number, since it uses less digits than its factorization.

55449541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17651.

The product of its digits is 72000, while the sum is 37.

The square root of 55449541 is about 7446.4448564399. Note that the first 3 decimals coincide. The cubic root of 55449541 is about 381.3285468907.

The spelling of 55449541 in words is "fifty-five million, four hundred forty-nine thousand, five hundred forty-one".

Divisors: 1 7 461 3227 17183 120281 7921363 55449541