56542232 has 8 divisors (see below), whose sum is σ = 106016700. Its totient is φ = 28271112.

The previous prime is 56542231. The next prime is 56542247. The reversal of 56542232 is 23224565.

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

It is a junction number, because it is equal to n+sod(n) for n = 56542195 and 56542204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56542231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3533882 + ... + 3533897.

Almost surely, 2^56542232 is an apocalyptic number.

It is an amenable number.

56542232 is a deficient number, since it is larger than the sum of its proper divisors (49474468).

56542232 is a wasteful number, since it uses less digits than its factorization.

56542232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7067785 (or 7067781 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 56542232 is about 7519.4568952817. The cubic root of 56542232 is about 383.8170967782.

Adding to 56542232 its reverse (23224565), we get a palindrome (79766797).

The spelling of 56542232 in words is "fifty-six million, five hundred forty-two thousand, two hundred thirty-two".