53197558440 has 64 divisors (see below), whose sum is σ = 171869040000. Its totient is φ = 13094783232.

The previous prime is 53197558423. The next prime is 53197558457. The reversal of 53197558440 is 4485579135.

It is an interprime number because it is at equal distance from previous prime (53197558423) and next prime (53197558457).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17048940 + ... + 17052059.

It is an arithmetic number, because the mean of its divisors is an integer number (2685453750).

Almost surely, 2^53197558440 is an apocalyptic number.

It is an amenable number.

53197558440 is an abundant number, since it is smaller than the sum of its proper divisors (118671481560).

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

53197558440 is a wasteful number, since it uses less digits than its factorization.

53197558440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34101026 (or 34101022 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 53197558440 in words is "fifty-three billion, one hundred ninety-seven million, five hundred fifty-eight thousand, four hundred forty".