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55465357 = 173320609
BaseRepresentation
bin1101001110010…
…1010110001101
310212100221011111
43103211112031
5103144342412
65300452021
71242306403
oct323452615
9125327144
1055465357
1129343a42
12166aa011
13b64cc4c
14751b473
154d092a7
hex34e558d

55465357 has 4 divisors (see below), whose sum is σ = 55786140. Its totient is φ = 55144576.

The previous prime is 55465343. The next prime is 55465367. The reversal of 55465357 is 75356455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36228361 + 19236996 = 6019^2 + 4386^2 .

It is a cyclic number.

It is not a de Polignac number, because 55465357 - 219 = 54941069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55465337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160132 + ... + 160477.

It is an arithmetic number, because the mean of its divisors is an integer number (13946535).

Almost surely, 255465357 is an apocalyptic number.

It is an amenable number.

55465357 is a deficient number, since it is larger than the sum of its proper divisors (320783).

55465357 is a wasteful number, since it uses less digits than its factorization.

55465357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320782.

The product of its digits is 315000, while the sum is 40.

The square root of 55465357 is about 7447.5067640117. The cubic root of 55465357 is about 381.3647991834.

The spelling of 55465357 in words is "fifty-five million, four hundred sixty-five thousand, three hundred fifty-seven".

Divisors: 1 173 320609 55465357