53187364450 has 96 divisors (see below), whose sum is σ = 111784095360. Its totient is φ = 18650419200.

The previous prime is 53187364441. The next prime is 53187364453. The reversal of 53187364450 is 5446378135.

It is a self number, because there is not a number n which added to its sum of digits gives 53187364450.

It is not an unprimeable number, because it can be changed into a prime (53187364453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16953282 + ... + 16956418.

It is an arithmetic number, because the mean of its divisors is an integer number (1164417660).

Almost surely, 2^53187364450 is an apocalyptic number.

53187364450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53187364450 is an abundant number, since it is smaller than the sum of its proper divisors (58596730910).

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

53187364450 is a wasteful number, since it uses less digits than its factorization.

53187364450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252 (or 4247 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 53187364450 in words is "fifty-three billion, one hundred eighty-seven million, three hundred sixty-four thousand, four hundred fifty".