55608555 has 8 divisors (see below), whose sum is σ = 88973712. Its totient is φ = 29657888.

The previous prime is 55608533. The next prime is 55608557. The reversal of 55608555 is 55580655.

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 55608555 - 2⁵ = 55608523 is a prime.

It is a super-2 number, since 2×55608555² = 6184622778376050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55608557) 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, 1853604 + ... + 1853633.

It is an arithmetic number, because the mean of its divisors is an integer number (11121714).

Almost surely, 2^55608555 is an apocalyptic number.

55608555 is a deficient number, since it is larger than the sum of its proper divisors (33365157).

55608555 is a wasteful number, since it uses less digits than its factorization.

55608555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707245.

The product of its (nonzero) digits is 150000, while the sum is 39.

The square root of 55608555 is about 7457.1143882872. The cubic root of 55608555 is about 381.6927140575.

The spelling of 55608555 in words is "fifty-five million, six hundred eight thousand, five hundred fifty-five".