53198687040 has 112 divisors (see below), whose sum is σ = 169607423040. Its totient is φ = 14127390720.

The previous prime is 53198687023. The next prime is 53198687053. The reversal of 53198687040 is 4078689135.

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116391 + ... + 346329.

Almost surely, 2^53198687040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53198687040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84803711520).

53198687040 is an abundant number, since it is smaller than the sum of its proper divisors (116408736000).

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

53198687040 is a wasteful number, since it uses less digits than its factorization.

53198687040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230200 (or 230190 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 53198687040 in words is "fifty-three billion, one hundred ninety-eight million, six hundred eighty-seven thousand, forty".