556375522251 has 8 divisors (see below), whose sum is σ = 742079763520. Its totient is φ = 370794147912.

The previous prime is 556375522229. The next prime is 556375522271. The reversal of 556375522251 is 152225573655.

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

It is not a de Polignac number, because 556375522251 - 2⁶ = 556375522187 is a prime.

It is a super-2 number, since 2×556375522251² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556375522251.

It is not an unprimeable number, because it can be changed into a prime (556375522271) 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, 30706165 + ... + 30724278.

It is an arithmetic number, because the mean of its divisors is an integer number (92759970440).

Almost surely, 2^556375522251 is an apocalyptic number.

556375522251 is a deficient number, since it is larger than the sum of its proper divisors (185704241269).

556375522251 is a wasteful number, since it uses less digits than its factorization.

556375522251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61433465.

The product of its digits is 3150000, while the sum is 48.

The spelling of 556375522251 in words is "five hundred fifty-six billion, three hundred seventy-five million, five hundred twenty-two thousand, two hundred fifty-one".