56511332 has 24 divisors (see below), whose sum is σ = 105092064. Its totient is φ = 26497152.

The previous prime is 56511319. The next prime is 56511337. The reversal of 56511332 is 23311565.

It is not an unprimeable number, because it can be changed into a prime (56511337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19523 + ... + 22229.

It is an arithmetic number, because the mean of its divisors is an integer number (4378836).

Almost surely, 2^56511332 is an apocalyptic number.

It is an amenable number.

56511332 is a deficient number, since it is larger than the sum of its proper divisors (48580732).

56511332 is a wasteful number, since it uses less digits than its factorization.

56511332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035 (or 3033 counting only the distinct ones).

The product of its digits is 2700, while the sum is 26.

The square root of 56511332 is about 7517.4019448211. The cubic root of 56511332 is about 383.7471661029.

Adding to 56511332 its reverse (23311565), we get a palindrome (79822897).

The spelling of 56511332 in words is "fifty-six million, five hundred eleven thousand, three hundred thirty-two".