56491432 has 8 divisors (see below), whose sum is σ = 105921450. Its totient is φ = 28245712.

The previous prime is 56491417. The next prime is 56491441. The reversal of 56491432 is 23419465.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 50211396 + 6280036 = 7086^2 + 2506^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3530707 + ... + 3530722.

Almost surely, 2^56491432 is an apocalyptic number.

It is an amenable number.

56491432 is a deficient number, since it is larger than the sum of its proper divisors (49430018).

56491432 is a wasteful number, since it uses less digits than its factorization.

56491432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7061435 (or 7061431 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 56491432 is about 7516.0782326956. The cubic root of 56491432 is about 383.7021163468.

The spelling of 56491432 in words is "fifty-six million, four hundred ninety-one thousand, four hundred thirty-two".