56153242 has 4 divisors (see below), whose sum is σ = 84229866. Its totient is φ = 28076620.

The previous prime is 56153239. The next prime is 56153243. The reversal of 56153242 is 24235165.

56153242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56085121 + 68121 = 7489^2 + 261^2 .

It is a super-2 number, since 2×56153242² = 6306373174221128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56153242.

It is not an unprimeable number, because it can be changed into a prime (56153243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14038309 + ... + 14038312.

Almost surely, 2^56153242 is an apocalyptic number.

56153242 is a deficient number, since it is larger than the sum of its proper divisors (28076624).

56153242 is a wasteful number, since it uses less digits than its factorization.

56153242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28076623.

The product of its digits is 7200, while the sum is 28.

The square root of 56153242 is about 7493.5466903196. The cubic root of 56153242 is about 382.9348965732.

The spelling of 56153242 in words is "fifty-six million, one hundred fifty-three thousand, two hundred forty-two".