56015650 has 12 divisors (see below), whose sum is σ = 104189202. Its totient is φ = 22406240.

The previous prime is 56015639. The next prime is 56015651. The reversal of 56015650 is 5651065.

It can be written as a sum of positive squares in 3 ways, for example, as 49660209 + 6355441 = 7047^2 + 2521^2 .

It is not an unprimeable number, because it can be changed into a prime (56015651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560107 + ... + 560206.

Almost surely, 2^56015650 is an apocalyptic number.

56015650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56015650 is a deficient number, since it is larger than the sum of its proper divisors (48173552).

56015650 is a wasteful number, since it uses less digits than its factorization.

56015650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120325 (or 1120320 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 56015650 is about 7484.3603601109. The cubic root of 56015650 is about 382.6218729648.

It can be divided in two parts, 56015 and 650, that added together give a palindrome (56665).

The spelling of 56015650 in words is "fifty-six million, fifteen thousand, six hundred fifty".