53115641304 has 128 divisors (see below), whose sum is σ = 151641538560. Its totient is φ = 15356880000.

The previous prime is 53115641291. The next prime is 53115641317. The reversal of 53115641304 is 40314651135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53115641291) and next prime (53115641317).

It is a super-2 number, since 2×53115641304² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535359 + ... + 626769.

It is an arithmetic number, because the mean of its divisors is an integer number (1184699520).

Almost surely, 2^53115641304 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 53115641304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75820769280).

53115641304 is an abundant number, since it is smaller than the sum of its proper divisors (98525897256).

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

53115641304 is a wasteful number, since it uses less digits than its factorization.

53115641304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91533 (or 91529 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 53115641304 in words is "fifty-three billion, one hundred fifteen million, six hundred forty-one thousand, three hundred four".