5651656725 has 96 divisors (see below), whose sum is σ = 11012045184. Its totient is φ = 2521497600.

The previous prime is 5651656691. The next prime is 5651656741. The reversal of 5651656725 is 5276561565.

It is a happy number.

It is not a de Polignac number, because 5651656725 - 2¹⁴ = 5651640341 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4643317 + ... + 4644533.

It is an arithmetic number, because the mean of its divisors is an integer number (114708804).

Almost surely, 2^5651656725 is an apocalyptic number.

5651656725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5651656725 is a deficient number, since it is larger than the sum of its proper divisors (5360388459).

5651656725 is a wasteful number, since it uses less digits than its factorization.

5651656725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1682 counting only the distinct ones).

The product of its digits is 1890000, while the sum is 48.

The square root of 5651656725 is about 75177.5014548901. The cubic root of 5651656725 is about 1781.2515631873.

The spelling of 5651656725 in words is "five billion, six hundred fifty-one million, six hundred fifty-six thousand, seven hundred twenty-five".