56897650 has 12 divisors (see below), whose sum is σ = 105829722. Its totient is φ = 22759040.

The previous prime is 56897639. The next prime is 56897663. The reversal of 56897650 is 5679865.

It can be written as a sum of positive squares in 3 ways, for example, as 44849809 + 12047841 = 6697^2 + 3471^2 .

It is a super-3 number, since 3×56897650³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56897650.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 568927 + ... + 569026.

Almost surely, 2^56897650 is an apocalyptic number.

56897650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56897650 is a deficient number, since it is larger than the sum of its proper divisors (48932072).

56897650 is a wasteful number, since it uses less digits than its factorization.

56897650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137965 (or 1137960 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 56897650 is about 7543.0530953984. The cubic root of 56897650 is about 384.6196276968.

The spelling of 56897650 in words is "fifty-six million, eight hundred ninety-seven thousand, six hundred fifty".