531389552 has 10 divisors (see below), whose sum is σ = 1029567288. Its totient is φ = 265694768.

The previous prime is 531389531. The next prime is 531389581. The reversal of 531389552 is 255983135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16605908 + ... + 16605939.

Almost surely, 2^531389552 is an apocalyptic number.

It is an amenable number.

531389552 is a deficient number, since it is larger than the sum of its proper divisors (498177736).

531389552 is a wasteful number, since it uses less digits than its factorization.

531389552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33211855 (or 33211849 counting only the distinct ones).

The product of its digits is 162000, while the sum is 41.

The square root of 531389552 is about 23051.8882523753. Note that the first 3 decimals coincide. The cubic root of 531389552 is about 809.9738608646.

The spelling of 531389552 in words is "five hundred thirty-one million, three hundred eighty-nine thousand, five hundred fifty-two".