557400532 has 36 divisors (see below), whose sum is σ = 1092718620. Its totient is φ = 248381952.

The previous prime is 557400521. The next prime is 557400581. The reversal of 557400532 is 235004755.

It can be written as a sum of positive squares in 6 ways, for example, as 98327056 + 459073476 = 9916^2 + 21426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557400494 and 557400503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5388 + ... + 33820.

It is an arithmetic number, because the mean of its divisors is an integer number (30353295).

Almost surely, 2^557400532 is an apocalyptic number.

557400532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

557400532 is a deficient number, since it is larger than the sum of its proper divisors (535318088).

557400532 is a wasteful number, since it uses less digits than its factorization.

557400532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28492 (or 28477 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 557400532 is about 23609.3314602511. The cubic root of 557400532 is about 822.9797065548.

The spelling of 557400532 in words is "five hundred fifty-seven million, four hundred thousand, five hundred thirty-two".