56153377 has 4 divisors (see below), whose sum is σ = 64175296. Its totient is φ = 48131460.

The previous prime is 56153371. The next prime is 56153381. The reversal of 56153377 is 77335165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56153377 - 2¹⁵ = 56120609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56153371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4010949 + ... + 4010962.

It is an arithmetic number, because the mean of its divisors is an integer number (16043824).

Almost surely, 2^56153377 is an apocalyptic number.

It is an amenable number.

56153377 is a deficient number, since it is larger than the sum of its proper divisors (8021919).

56153377 is an equidigital number, since it uses as much as digits as its factorization.

56153377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8021918.

The product of its digits is 66150, while the sum is 37.

The square root of 56153377 is about 7493.5556980648. Note that the first 3 decimals coincide. The cubic root of 56153377 is about 382.9352034488.

The spelling of 56153377 in words is "fifty-six million, one hundred fifty-three thousand, three hundred seventy-seven".