55402895 has 16 divisors (see below), whose sum is σ = 68179968. Its totient is φ = 43199520.

The previous prime is 55402873. The next prime is 55402927. The reversal of 55402895 is 59820455.

It is not a de Polignac number, because 55402895 - 2⁸ = 55402639 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, 101012 + ... + 101558.

It is an arithmetic number, because the mean of its divisors is an integer number (4261248).

Almost surely, 2^55402895 is an apocalyptic number.

55402895 is a deficient number, since it is larger than the sum of its proper divisors (12777073).

55402895 is a wasteful number, since it uses less digits than its factorization.

55402895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 55402895 is about 7443.3120987904. The cubic root of 55402895 is about 381.2215881362.

The spelling of 55402895 in words is "fifty-five million, four hundred two thousand, eight hundred ninety-five".