56733642 has 32 divisors (see below), whose sum is σ = 144086400. Its totient is φ = 16209504.

The previous prime is 56733637. The next prime is 56733643. The reversal of 56733642 is 24633765.

56733642 is a `hidden beast` number, since 5 + 6 + 7 + 3 + 3 + 642 = 666.

It is a super-2 number, since 2×56733642² = 6437412269168328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56733597 and 56733606.

It is not an unprimeable number, because it can be changed into a prime (56733643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74667 + ... + 75422.

It is an arithmetic number, because the mean of its divisors is an integer number (4502700).

Almost surely, 2^56733642 is an apocalyptic number.

56733642 is an abundant number, since it is smaller than the sum of its proper divisors (87352758).

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

56733642 is a wasteful number, since it uses less digits than its factorization.

56733642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150107 (or 150101 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 56733642 is about 7532.1737898166. The cubic root of 56733642 is about 384.2497155043.

It can be divided in two parts, 56733 and 642, that added together give a palindrome (57375).

The spelling of 56733642 in words is "fifty-six million, seven hundred thirty-three thousand, six hundred forty-two".