552857436 has 72 divisors (see below), whose sum is σ = 1418586624. Its totient is φ = 181526400.

The previous prime is 552857423. The next prime is 552857443. The reversal of 552857436 is 634758255.

552857436 is a `hidden beast` number, since 55 + 28 + 574 + 3 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 552857391 and 552857400.

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, 1392390 + ... + 1392786.

It is an arithmetic number, because the mean of its divisors is an integer number (19702592).

Almost surely, 2^552857436 is an apocalyptic number.

It is an amenable number.

552857436 is an abundant number, since it is smaller than the sum of its proper divisors (865729188).

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

552857436 is a wasteful number, since it uses less digits than its factorization.

552857436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 886 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 552857436 is about 23512.9206182473. The cubic root of 552857436 is about 820.7377041683.

The spelling of 552857436 in words is "five hundred fifty-two million, eight hundred fifty-seven thousand, four hundred thirty-six".