556036630655 has 48 divisors (see below), whose sum is σ = 757386626304. Its totient is φ = 391184640000.

The previous prime is 556036630627. The next prime is 556036630673.

It is a happy number.

556036630655 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-556036630655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 63031145 + ... + 63039965.

It is an arithmetic number, because the mean of its divisors is an integer number (15778888048).

Almost surely, 2^556036630655 is an apocalyptic number.

556036630655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

556036630655 is a deficient number, since it is larger than the sum of its proper divisors (201349995649).

556036630655 is a wasteful number, since it uses less digits than its factorization.

556036630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240 (or 12229 counting only the distinct ones).

The product of its (nonzero) digits is 7290000, while the sum is 50.

The spelling of 556036630655 in words is "five hundred fifty-six billion, thirty-six million, six hundred thirty thousand, six hundred fifty-five".