556296129450 has 60 divisors (see below), whose sum is σ = 1545679108710. Its totient is φ = 148345633440.

The previous prime is 556296129449. The next prime is 556296129469. The reversal of 556296129450 is 54921692655.

556296129450 is a `hidden beast` number, since 5 + 5 + 62 + 9 + 6 + 129 + 450 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 305436391569 + 250859737881 = 552663^2 + 500859^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 68674485 + ... + 68682584.

Almost surely, 2^556296129450 is an apocalyptic number.

556296129450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556296129450 is an abundant number, since it is smaller than the sum of its proper divisors (989382979260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556296129450 is a wasteful number, since it uses less digits than its factorization.

556296129450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137357093 (or 137357079 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 556296129450 in words is "five hundred fifty-six billion, two hundred ninety-six million, one hundred twenty-nine thousand, four hundred fifty".