55901575 has 12 divisors (see below), whose sum is σ = 70269808. Its totient is φ = 44107200.

The previous prime is 55901563. The next prime is 55901603. The reversal of 55901575 is 57510955.

It is not a de Polignac number, because 55901575 - 2¹⁵ = 55868807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13491 + ... + 17140.

Almost surely, 2^55901575 is an apocalyptic number.

55901575 is a deficient number, since it is larger than the sum of its proper divisors (14368233).

55901575 is a wasteful number, since it uses less digits than its factorization.

55901575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30714 (or 30709 counting only the distinct ones).

The product of its (nonzero) digits is 39375, while the sum is 37.

The square root of 55901575 is about 7476.7355844647. The cubic root of 55901575 is about 382.3619619522.

The spelling of 55901575 in words is "fifty-five million, nine hundred one thousand, five hundred seventy-five".