531252053400 has 96 divisors (see below), whose sum is σ = 1647577472400. Its totient is φ = 141607334400.

The previous prime is 531252053389. The next prime is 531252053401. The reversal of 531252053400 is 4350252135.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531252053401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1242666 + ... + 1614534.

Almost surely, 2^531252053400 is an apocalyptic number.

531252053400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531252053400 is an abundant number, since it is smaller than the sum of its proper divisors (1116325419000).

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

531252053400 is a wasteful number, since it uses less digits than its factorization.

531252053400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374269 (or 374260 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 531252053400 in words is "five hundred thirty-one billion, two hundred fifty-two million, fifty-three thousand, four hundred".