55572575 has 24 divisors (see below), whose sum is σ = 73410480. Its totient is φ = 41587200.

The previous prime is 55572563. The next prime is 55572581. The reversal of 55572575 is 57527555.

It is not a de Polignac number, because 55572575 - 2¹⁴ = 55556191 is a prime.

It is a super-2 number, since 2×55572575² = 6176622184261250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97040 + ... + 97610.

It is an arithmetic number, because the mean of its divisors is an integer number (3058770).

Almost surely, 2^55572575 is an apocalyptic number.

55572575 is a deficient number, since it is larger than the sum of its proper divisors (17837905).

55572575 is a wasteful number, since it uses less digits than its factorization.

55572575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 822 counting only the distinct ones).

The product of its digits is 306250, while the sum is 41.

The square root of 55572575 is about 7454.7015366143. The cubic root of 55572575 is about 381.6103750071.

The spelling of 55572575 in words is "fifty-five million, five hundred seventy-two thousand, five hundred seventy-five".