53315479800 has 720 divisors, whose sum is σ = 207435551400. Its totient is φ = 12678336000.

The previous prime is 53315479793. The next prime is 53315479823. The reversal of 53315479800 is 897451335.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 115651570 + ... + 115652030.

Almost surely, 2^53315479800 is an apocalyptic number.

53315479800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53315479800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103717775700).

53315479800 is an abundant number, since it is smaller than the sum of its proper divisors (154120071600).

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

53315479800 is a wasteful number, since it uses less digits than its factorization.

53315479800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 53315479800 in words is "fifty-three billion, three hundred fifteen million, four hundred seventy-nine thousand, eight hundred".