556672545 has 192 divisors, whose sum is σ = 1242259200. Its totient is φ = 226437120.

The previous prime is 556672513. The next prime is 556672577. The reversal of 556672545 is 545276655.

It is an interprime number because it is at equal distance from previous prime (556672513) and next prime (556672577).

It is not a de Polignac number, because 556672545 - 2⁵ = 556672513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (1260000) is a multiple of the sum of its prime factors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 556672545.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3545607 + ... + 3545763.

It is an arithmetic number, because the mean of its divisors is an integer number (6470100).

Almost surely, 2^556672545 is an apocalyptic number.

556672545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

556672545 is an abundant number, since it is smaller than the sum of its proper divisors (685586655).

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

556672545 is a wasteful number, since it uses less digits than its factorization.

556672545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 237 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 45.

The square root of 556672545 is about 23593.9090656890. The cubic root of 556672545 is about 822.6212691854.

The spelling of 556672545 in words is "five hundred fifty-six million, six hundred seventy-two thousand, five hundred forty-five".