53617562040 has 192 divisors, whose sum is σ = 189908496000. Its totient is φ = 12072436992.

The previous prime is 53617561967. The next prime is 53617562041. The reversal of 53617562040 is 4026571635.

It is a super-2 number, since 2×53617562040² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53617562040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53617562041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 325911 + ... + 462009.

It is an arithmetic number, because the mean of its divisors is an integer number (989106750).

Almost surely, 2^53617562040 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 53617562040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94954248000).

53617562040 is an abundant number, since it is smaller than the sum of its proper divisors (136290933960).

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

53617562040 is a wasteful number, since it uses less digits than its factorization.

53617562040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136194 (or 136183 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 53617562040 in words is "fifty-three billion, six hundred seventeen million, five hundred sixty-two thousand, forty".