53002402400 has 36 divisors (see below), whose sum is σ = 129392116812. Its totient is φ = 21200960640.

The previous prime is 53002402381. The next prime is 53002402433. The reversal of 53002402400 is 420420035.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33125702 + ... + 33127301.

It is an arithmetic number, because the mean of its divisors is an integer number (3594225467).

Almost surely, 2^53002402400 is an apocalyptic number.

53002402400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53002402400 is an abundant number, since it is smaller than the sum of its proper divisors (76389714412).

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

53002402400 is a wasteful number, since it uses less digits than its factorization.

53002402400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66253023 (or 66253010 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 53002402400 its reverse (420420035), we get a palindrome (53422822435).

The spelling of 53002402400 in words is "fifty-three billion, two million, four hundred two thousand, four hundred".