53404862784 has 112 divisors (see below), whose sum is σ = 173908199808. Its totient is φ = 14084794368.

The previous prime is 53404862783. The next prime is 53404862801. The reversal of 53404862784 is 48726840435.

It is a tau number, because it is divible by the number of its divisors (112).

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404862783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1510827 + ... + 1545770.

It is an arithmetic number, because the mean of its divisors is an integer number (1552751784).

Almost surely, 2^53404862784 is an apocalyptic number.

It is an amenable number.

53404862784 is an abundant number, since it is smaller than the sum of its proper divisors (120503337024).

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

53404862784 is a wasteful number, since it uses less digits than its factorization.

53404862784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056632 (or 3056622 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 53404862784 in words is "fifty-three billion, four hundred four million, eight hundred sixty-two thousand, seven hundred eighty-four".