56451650 has 12 divisors (see below), whose sum is σ = 105000162. Its totient is φ = 22580640.

The previous prime is 56451649. The next prime is 56451667. The reversal of 56451650 is 5615465.

It can be written as a sum of positive squares in 3 ways, for example, as 48594841 + 7856809 = 6971^2 + 2803^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564467 + ... + 564566.

Almost surely, 2^56451650 is an apocalyptic number.

56451650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56451650 is a deficient number, since it is larger than the sum of its proper divisors (48548512).

56451650 is a wasteful number, since it uses less digits than its factorization.

56451650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129045 (or 1129040 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56451650 is about 7513.4313066667. The cubic root of 56451650 is about 383.6120258582.

The spelling of 56451650 in words is "fifty-six million, four hundred fifty-one thousand, six hundred fifty".