553660631 has 8 divisors (see below), whose sum is σ = 565054704. Its totient is φ = 542301760.

The previous prime is 553660621. The next prime is 553660697. The reversal of 553660631 is 136066355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 553660631 - 2¹⁸ = 553398487 is a prime.

It is a super-2 number, since 2×553660631² = 613080188638636322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 553660591 and 553660600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553660621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24236 + ... + 41166.

It is an arithmetic number, because the mean of its divisors is an integer number (70631838).

Almost surely, 2^553660631 is an apocalyptic number.

553660631 is a deficient number, since it is larger than the sum of its proper divisors (11394073).

553660631 is a wasteful number, since it uses less digits than its factorization.

553660631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17601.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 553660631 is about 23529.9942838922. The cubic root of 553660631 is about 821.1349695986.

The spelling of 553660631 in words is "five hundred fifty-three million, six hundred sixty thousand, six hundred thirty-one".