55254015 has 16 divisors (see below), whose sum is σ = 98229600. Its totient is φ = 29468736.

The previous prime is 55254007. The next prime is 55254103. The reversal of 55254015 is 51045255.

It is not a de Polignac number, because 55254015 - 2³ = 55254007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 55254015.

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, 204510 + ... + 204779.

It is an arithmetic number, because the mean of its divisors is an integer number (6139350).

Almost surely, 2^55254015 is an apocalyptic number.

55254015 is a deficient number, since it is larger than the sum of its proper divisors (42975585).

55254015 is a wasteful number, since it uses less digits than its factorization.

55254015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409303 (or 409297 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 55254015 is about 7433.3044468796. The cubic root of 55254015 is about 380.8798058460.

The spelling of 55254015 in words is "fifty-five million, two hundred fifty-four thousand, fifteen".