53399498715904 has 288 divisors, whose sum is σ = 123409933920000. Its totient is φ = 22806049996800.

The previous prime is 53399498715889. The next prime is 53399498715911. The reversal of 53399498715904 is 40951789499335.

It is a Harshad number since it is a multiple of its sum of digits (76).

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, 3670313622 + ... + 3670328170.

It is an arithmetic number, because the mean of its divisors is an integer number (428506715000).

Almost surely, 2^{53399498715904} 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 53399498715904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61704966960000).

53399498715904 is an abundant number, since it is smaller than the sum of its proper divisors (70010435204096).

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

53399498715904 is a wasteful number, since it uses less digits than its factorization.

53399498715904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155 (or 15141 counting only the distinct ones).

The product of its (nonzero) digits is 1322697600, while the sum is 76.

The spelling of 53399498715904 in words is "fifty-three trillion, three hundred ninety-nine billion, four hundred ninety-eight million, seven hundred fifteen thousand, nine hundred four".