55446812 has 6 divisors (see below), whose sum is σ = 97031928. Its totient is φ = 27723404.

The previous prime is 55446779. The next prime is 55446821. The reversal of 55446812 is 21864455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6930848 + ... + 6930855.

It is an arithmetic number, because the mean of its divisors is an integer number (16171988).

Almost surely, 2^55446812 is an apocalyptic number.

It is an amenable number.

55446812 is a deficient number, since it is larger than the sum of its proper divisors (41585116).

55446812 is a wasteful number, since it uses less digits than its factorization.

55446812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861707 (or 13861705 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 55446812 is about 7446.2616123797. The cubic root of 55446812 is about 381.3222909768.

The spelling of 55446812 in words is "fifty-five million, four hundred forty-six thousand, eight hundred twelve".