53439699376 has 40 divisors (see below), whose sum is σ = 125291400480. Its totient is φ = 21555508224.

The previous prime is 53439699373. The next prime is 53439699493. The reversal of 53439699376 is 67399693435.

It is not an unprimeable number, because it can be changed into a prime (53439699373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14031631 + ... + 14035438.

It is an arithmetic number, because the mean of its divisors is an integer number (3132285012).

Almost surely, 2^53439699376 is an apocalyptic number.

53439699376 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

53439699376 is an abundant number, since it is smaller than the sum of its proper divisors (71851701104).

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

53439699376 is a wasteful number, since it uses less digits than its factorization.

53439699376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28067101 (or 28067095 counting only the distinct ones).

The product of its digits is 99202320, while the sum is 64.

The spelling of 53439699376 in words is "fifty-three billion, four hundred thirty-nine million, six hundred ninety-nine thousand, three hundred seventy-six".