53547583464 has 128 divisors (see below), whose sum is σ = 150883891200. Its totient is φ = 17593329600.

The previous prime is 53547583447. The next prime is 53547583487. The reversal of 53547583464 is 46438574535.

53547583464 is a `hidden beast` number, since 5 + 3 + 54 + 7 + 583 + 4 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 53547583464.

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, 8297439 + ... + 8303889.

It is an arithmetic number, because the mean of its divisors is an integer number (1178780400).

Almost surely, 2^53547583464 is an apocalyptic number.

53547583464 is a gapful number since it is divisible by the number (54) 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 53547583464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75441945600).

53547583464 is an abundant number, since it is smaller than the sum of its proper divisors (97336307736).

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

53547583464 is a wasteful number, since it uses less digits than its factorization.

53547583464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7012 (or 7002 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 53547583464 in words is "fifty-three billion, five hundred forty-seven million, five hundred eighty-three thousand, four hundred sixty-four".