3557252556 has 72 divisors (see below), whose sum is σ = 10563977424. Its totient is φ = 995034240.

The previous prime is 3557252513. The next prime is 3557252593. The reversal of 3557252556 is 6552527553.

3557252556 is a `hidden beast` number, since 3 + 5 + 5 + 72 + 525 + 56 = 666.

3557252556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 340351 + ... + 350646.

Almost surely, 2^3557252556 is an apocalyptic number.

3557252556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3557252556 is an abundant number, since it is smaller than the sum of its proper divisors (7006724868).

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

3557252556 is a wasteful number, since it uses less digits than its factorization.

3557252556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691031 (or 691026 counting only the distinct ones).

The product of its digits is 1575000, while the sum is 45.

The square root of 3557252556 is about 59642.7074838157. The cubic root of 3557252556 is about 1526.5284406887.

It can be divided in two parts, 355725 and 2556, that added together give a triangular number (358281 = T₈₄₆).

The spelling of 3557252556 in words is "three billion, five hundred fifty-seven million, two hundred fifty-two thousand, five hundred fifty-six".