55625055 has 16 divisors (see below), whose sum is σ = 89238240. Its totient is φ = 29587328.

The previous prime is 55625033. The next prime is 55625057. The reversal of 55625055 is 55052655.

It is a cyclic number.

It is not a de Polignac number, because 55625055 - 2¹⁴ = 55608671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55625057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1069 + ... + 10601.

It is an arithmetic number, because the mean of its divisors is an integer number (5577390).

Almost surely, 2^55625055 is an apocalyptic number.

55625055 is a deficient number, since it is larger than the sum of its proper divisors (33613185).

55625055 is a wasteful number, since it uses less digits than its factorization.

55625055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 55625055 is about 7458.2206322956. The cubic root of 55625055 is about 381.7304618883.

The spelling of 55625055 in words is "fifty-five million, six hundred twenty-five thousand, fifty-five".