55919434 has 16 divisors (see below), whose sum is σ = 84764808. Its totient is φ = 27666432.

The previous prime is 55919419. The next prime is 55919441. The reversal of 55919434 is 43491955.

It can be written as a sum of positive squares in 4 ways, for example, as 38254225 + 17665209 = 6185^2 + 4203^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122134 + ... + 122590.

Almost surely, 2^55919434 is an apocalyptic number.

55919434 is a deficient number, since it is larger than the sum of its proper divisors (28845374).

55919434 is a wasteful number, since it uses less digits than its factorization.

55919434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969.

The product of its digits is 97200, while the sum is 40.

The square root of 55919434 is about 7477.9297937330. The cubic root of 55919434 is about 382.4026756245.

The spelling of 55919434 in words is "fifty-five million, nine hundred nineteen thousand, four hundred thirty-four".