53130755840 has 144 divisors (see below), whose sum is σ = 129628664928. Its totient is φ = 20861288448.

The previous prime is 53130755833. The next prime is 53130755851. The reversal of 53130755840 is 4855703135.

It is a super-2 number, since 2×53130755840² (a number of 22 digits) contains 22 as substring.

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, 15474764 + ... + 15478196.

It is an arithmetic number, because the mean of its divisors is an integer number (900199062).

Almost surely, 2^53130755840 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 53130755840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64814332464).

53130755840 is an abundant number, since it is smaller than the sum of its proper divisors (76497909088).

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

53130755840 is a wasteful number, since it uses less digits than its factorization.

53130755840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 53130755840 in words is "fifty-three billion, one hundred thirty million, seven hundred fifty-five thousand, eight hundred forty".