53398691008 has 56 divisors (see below), whose sum is σ = 114142522032. Its totient is φ = 24639396864.

The previous prime is 53398690957. The next prime is 53398691023. The reversal of 53398691008 is 80019689335.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6574566 + ... + 6582682.

It is an arithmetic number, because the mean of its divisors is an integer number (2038259322).

Almost surely, 2^53398691008 is an apocalyptic number.

It is an amenable number.

53398691008 is an abundant number, since it is smaller than the sum of its proper divisors (60743831024).

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

53398691008 is a wasteful number, since it uses less digits than its factorization.

53398691008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049 (or 16039 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 53398691008 in words is "fifty-three billion, three hundred ninety-eight million, six hundred ninety-one thousand, eight".