56631448 has 8 divisors (see below), whose sum is σ = 106183980. Its totient is φ = 28315720.

The previous prime is 56631433. The next prime is 56631469. The reversal of 56631448 is 84413665.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 3539458 + ... + 3539473.

Almost surely, 2^56631448 is an apocalyptic number.

It is an amenable number.

56631448 is a deficient number, since it is larger than the sum of its proper divisors (49552532).

56631448 is a wasteful number, since it uses less digits than its factorization.

56631448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078937 (or 7078933 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 56631448 is about 7525.3869003527. The cubic root of 56631448 is about 384.0188611974.

The spelling of 56631448 in words is "fifty-six million, six hundred thirty-one thousand, four hundred forty-eight".