53020077480 has 384 divisors, whose sum is σ = 188438814720. Its totient is φ = 12888184320.

The previous prime is 53020077469. The next prime is 53020077499. The reversal of 53020077480 is 8477002035.

It is a super-2 number, since 2×53020077480² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17196019 + ... + 17199101.

It is an arithmetic number, because the mean of its divisors is an integer number (490726080).

Almost surely, 2^53020077480 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 53020077480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94219407360).

53020077480 is an abundant number, since it is smaller than the sum of its proper divisors (135418737240).

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

53020077480 is a wasteful number, since it uses less digits than its factorization.

53020077480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The spelling of 53020077480 in words is "fifty-three billion, twenty million, seventy-seven thousand, four hundred eighty".