56045650 has 12 divisors (see below), whose sum is σ = 104245002. Its totient is φ = 22418240.

The previous prime is 56045597. The next prime is 56045657. The reversal of 56045650 is 5654065.

It can be written as a sum of positive squares in 3 ways, for example, as 48986001 + 7059649 = 6999^2 + 2657^2 .

It is a super-3 number, since 3×56045650³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (56045657) 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, 560407 + ... + 560506.

Almost surely, 2^56045650 is an apocalyptic number.

56045650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56045650 is a deficient number, since it is larger than the sum of its proper divisors (48199352).

56045650 is a wasteful number, since it uses less digits than its factorization.

56045650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120925 (or 1120920 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 56045650 is about 7486.3642711265. The cubic root of 56045650 is about 382.6901670195.

The spelling of 56045650 in words is "fifty-six million, forty-five thousand, six hundred fifty".