56553737 has 8 divisors (see below), whose sum is σ = 58185216. Its totient is φ = 54940192.

The previous prime is 56553733. The next prime is 56553767. The reversal of 56553737 is 73735565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56553737 - 2² = 56553733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56553694 and 56553703.

It is not an unprimeable number, because it can be changed into a prime (56553733) 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, 2048 + ... + 10830.

It is an arithmetic number, because the mean of its divisors is an integer number (7273152).

Almost surely, 2^56553737 is an apocalyptic number.

It is an amenable number.

56553737 is a deficient number, since it is larger than the sum of its proper divisors (1631479).

56553737 is a wasteful number, since it uses less digits than its factorization.

56553737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8967.

The product of its digits is 330750, while the sum is 41.

The square root of 56553737 is about 7520.2218717269. The cubic root of 56553737 is about 383.8431275642.

The spelling of 56553737 in words is "fifty-six million, five hundred fifty-three thousand, seven hundred thirty-seven".