531323455 has 8 divisors (see below), whose sum is σ = 686633472. Its totient is φ = 392361888.

The previous prime is 531323453. The next prime is 531323461. The reversal of 531323455 is 554323135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531323455 - 2¹ = 531323453 is a prime.

It is a super-2 number, since 2×531323455² = 564609227666274050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531323453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4087039 + ... + 4087168.

It is an arithmetic number, because the mean of its divisors is an integer number (85829184).

Almost surely, 2^531323455 is an apocalyptic number.

531323455 is a deficient number, since it is larger than the sum of its proper divisors (155310017).

531323455 is a wasteful number, since it uses less digits than its factorization.

531323455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8174225.

The product of its digits is 27000, while the sum is 31.

The square root of 531323455 is about 23050.4545508326. The cubic root of 531323455 is about 809.9402765496.

The spelling of 531323455 in words is "five hundred thirty-one million, three hundred twenty-three thousand, four hundred fifty-five".