55587051 has 12 divisors (see below), whose sum is σ = 86468928. Its totient is φ = 34207344.

The previous prime is 55587047. The next prime is 55587083. The reversal of 55587051 is 15078555.

It is not a de Polignac number, because 55587051 - 2² = 55587047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55586997 and 55587015.

It is not an unprimeable number, because it can be changed into a prime (55587031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 237435 + ... + 237668.

It is an arithmetic number, because the mean of its divisors is an integer number (7205744).

Almost surely, 2^55587051 is an apocalyptic number.

55587051 is a deficient number, since it is larger than the sum of its proper divisors (30881877).

55587051 is a wasteful number, since it uses less digits than its factorization.

55587051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475122 (or 475119 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 36.

The square root of 55587051 is about 7455.6724042839. The cubic root of 55587051 is about 381.6435071302.

The spelling of 55587051 in words is "fifty-five million, five hundred eighty-seven thousand, fifty-one".