55054015 has 16 divisors (see below), whose sum is σ = 67998528. Its totient is φ = 42771456.

The previous prime is 55053997. The next prime is 55054033. The reversal of 55054015 is 51045055.

It is an interprime number because it is at equal distance from previous prime (55053997) and next prime (55054033).

It is a cyclic number.

It is not a de Polignac number, because 55054015 - 2¹⁷ = 54922943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26287 + ... + 28303.

It is an arithmetic number, because the mean of its divisors is an integer number (4249908).

Almost surely, 2^55054015 is an apocalyptic number.

55054015 is a deficient number, since it is larger than the sum of its proper divisors (12944513).

55054015 is a wasteful number, since it uses less digits than its factorization.

55054015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55054015 is about 7419.8392839737. The cubic root of 55054015 is about 380.4197001779.

The spelling of 55054015 in words is "fifty-five million, fifty-four thousand, fifteen".