55015051 has 32 divisors (see below), whose sum is σ = 72898560. Its totient is φ = 40300416.

The previous prime is 55015021. The next prime is 55015091. The reversal of 55015051 is 15051055.

It is not a de Polignac number, because 55015051 - 2⁵ = 55015019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55015021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80925 + ... + 81601.

It is an arithmetic number, because the mean of its divisors is an integer number (2278080).

Almost surely, 2^55015051 is an apocalyptic number.

55015051 is a deficient number, since it is larger than the sum of its proper divisors (17883509).

55015051 is a wasteful number, since it uses less digits than its factorization.

55015051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 55015051 is about 7417.2131558962. The cubic root of 55015051 is about 380.3299327532.

The spelling of 55015051 in words is "fifty-five million, fifteen thousand, fifty-one".