53993100420 has 96 divisors (see below), whose sum is σ = 191975481600. Its totient is φ = 12341279232.

The previous prime is 53993100377. The next prime is 53993100433. The reversal of 53993100420 is 2400139935.

It is a happy number.

53993100420 is a `hidden beast` number, since 539 + 93 + 10 + 0 + 4 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7138165 + ... + 7145724.

It is an arithmetic number, because the mean of its divisors is an integer number (1999744600).

Almost surely, 2^53993100420 is an apocalyptic number.

It is an amenable number.

53993100420 is an abundant number, since it is smaller than the sum of its proper divisors (137982381180).

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

53993100420 is a wasteful number, since it uses less digits than its factorization.

53993100420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283914 (or 14283906 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The spelling of 53993100420 in words is "fifty-three billion, nine hundred ninety-three million, one hundred thousand, four hundred twenty".