55415051 has 8 divisors (see below), whose sum is σ = 56584224. Its totient is φ = 54250560.

The previous prime is 55415047. The next prime is 55415057. The reversal of 55415051 is 15051455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55415051 - 2² = 55415047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55415051.

It is not an unprimeable number, because it can be changed into a prime (55415057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32615 + ... + 34271.

It is an arithmetic number, because the mean of its divisors is an integer number (7073028).

Almost surely, 2^55415051 is an apocalyptic number.

55415051 is a deficient number, since it is larger than the sum of its proper divisors (1169173).

55415051 is a wasteful number, since it uses less digits than its factorization.

55415051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 55415051 is about 7444.1286259709. The cubic root of 55415051 is about 381.2494674901.

The spelling of 55415051 in words is "fifty-five million, four hundred fifteen thousand, fifty-one".