53939404898400 has 432 divisors, whose sum is σ = 204276858100560. Its totient is φ = 12326643302400.

The previous prime is 53939404898369. The next prime is 53939404898417. The reversal of 53939404898400 is 489840493935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 654873220 + ... + 654955580.

It is an arithmetic number, because the mean of its divisors is an integer number (472863097455).

Almost surely, 2^{53939404898400} is an apocalyptic number.

53939404898400 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 53939404898400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102138429050280).

53939404898400 is an abundant number, since it is smaller than the sum of its proper divisors (150337453202160).

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

53939404898400 is a wasteful number, since it uses less digits than its factorization.

53939404898400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87967 (or 87947 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 66.

The spelling of 53939404898400 in words is "fifty-three trillion, nine hundred thirty-nine billion, four hundred four million, eight hundred ninety-eight thousand, four hundred".