56803649 has 4 divisors (see below), whose sum is σ = 64918464. Its totient is φ = 48688836.

The previous prime is 56803619. The next prime is 56803657. The reversal of 56803649 is 94630865.

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 not a de Polignac number, because 56803649 - 2⁸ = 56803393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56803609) 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, 4057397 + ... + 4057410.

It is an arithmetic number, because the mean of its divisors is an integer number (16229616).

Almost surely, 2^56803649 is an apocalyptic number.

It is an amenable number.

56803649 is a deficient number, since it is larger than the sum of its proper divisors (8114815).

56803649 is an equidigital number, since it uses as much as digits as its factorization.

56803649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8114814.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 56803649 is about 7536.8195546928. The cubic root of 56803649 is about 384.4077000316.

The spelling of 56803649 in words is "fifty-six million, eight hundred three thousand, six hundred forty-nine".