55373646 has 16 divisors (see below), whose sum is σ = 110845008. Its totient is φ = 18441600.

The previous prime is 55373629. The next prime is 55373653. The reversal of 55373646 is 64637355.

It is a congruent number.

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, 4776 + ... + 11556.

It is an arithmetic number, because the mean of its divisors is an integer number (6927813).

Almost surely, 2^55373646 is an apocalyptic number.

55373646 is an abundant number, since it is smaller than the sum of its proper divisors (55471362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55373646 is a wasteful number, since it uses less digits than its factorization.

55373646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147.

The product of its digits is 226800, while the sum is 39.

The square root of 55373646 is about 7441.3470554732. The cubic root of 55373646 is about 381.1544898795.

The spelling of 55373646 in words is "fifty-five million, three hundred seventy-three thousand, six hundred forty-six".