51925884400 has 240 divisors, whose sum is σ = 137772404224. Its totient is φ = 18690186240.

The previous prime is 51925884383. The next prime is 51925884469. The reversal of 51925884400 is 448852915.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35884477 + ... + 35885923.

Almost surely, 2^51925884400 is an apocalyptic number.

51925884400 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 51925884400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68886202112).

51925884400 is an abundant number, since it is smaller than the sum of its proper divisors (85846519824).

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

51925884400 is a wasteful number, since it uses less digits than its factorization.

51925884400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 51925884400 in words is "fifty-one billion, nine hundred twenty-five million, eight hundred eighty-four thousand, four hundred".