55631466 has 24 divisors (see below), whose sum is σ = 131493024. Its totient is φ = 16857960.

The previous prime is 55631447. The next prime is 55631473. The reversal of 55631466 is 66413655.

It is a self number, because there is not a number n which added to its sum of digits gives 55631466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140286 + ... + 140681.

It is an arithmetic number, because the mean of its divisors is an integer number (5478876).

Almost surely, 2^55631466 is an apocalyptic number.

55631466 is an abundant number, since it is smaller than the sum of its proper divisors (75861558).

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

55631466 is a wasteful number, since it uses less digits than its factorization.

55631466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280986 (or 280983 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55631466 is about 7458.6504141165. The cubic root of 55631466 is about 381.7451266227.

The spelling of 55631466 in words is "fifty-five million, six hundred thirty-one thousand, four hundred sixty-six".