52351431000 has 512 divisors, whose sum is σ = 182847974400. Its totient is φ = 12364800000.

The previous prime is 52351430959. The next prime is 52351431019. The reversal of 52351431000 is 13415325.

It is a super-2 number, since 2×52351431000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 376628931 + ... + 376629069.

It is an arithmetic number, because the mean of its divisors is an integer number (357124950).

Almost surely, 2^52351431000 is an apocalyptic number.

52351431000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52351431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91423987200).

52351431000 is an abundant number, since it is smaller than the sum of its proper divisors (130496543400).

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

52351431000 is a wasteful number, since it uses less digits than its factorization.

52351431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 52351431000 its reverse (13415325), we get a palindrome (52364846325).

The spelling of 52351431000 in words is "fifty-two billion, three hundred fifty-one million, four hundred thirty-one thousand".