555392052 has 72 divisors (see below), whose sum is σ = 1495349856. Its totient is φ = 180115488.

The previous prime is 555392039. The next prime is 555392087. The reversal of 555392052 is 250293555.

555392052 is a `hidden beast` number, since 55 + 539 + 20 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 555391998 and 555392016.

It is a congruent number.

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, 28243 + ... + 43685.

It is an arithmetic number, because the mean of its divisors is an integer number (20768748).

Almost surely, 2^555392052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555392052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747674928).

555392052 is an abundant number, since it is smaller than the sum of its proper divisors (939957804).

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

555392052 is a wasteful number, since it uses less digits than its factorization.

555392052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15499 (or 15485 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 555392052 is about 23566.7573501320. The cubic root of 555392052 is about 821.9900366420.

The spelling of 555392052 in words is "five hundred fifty-five million, three hundred ninety-two thousand, fifty-two".