55413394 has 16 divisors (see below), whose sum is σ = 86905728. Its totient is φ = 26449632.

The previous prime is 55413389. The next prime is 55413409. The reversal of 55413394 is 49331455.

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, 32614 + ... + 34270.

It is an arithmetic number, because the mean of its divisors is an integer number (5431608).

Almost surely, 2^55413394 is an apocalyptic number.

55413394 is a deficient number, since it is larger than the sum of its proper divisors (31492334).

55413394 is a wasteful number, since it uses less digits than its factorization.

55413394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409.

The product of its digits is 32400, while the sum is 34.

The square root of 55413394 is about 7444.0173293726. The cubic root of 55413394 is about 381.2456674595.

It can be divided in two parts, 55 and 413394, that added together give a square (413449 = 643²).

The spelling of 55413394 in words is "fifty-five million, four hundred thirteen thousand, three hundred ninety-four".