52478517364 has 96 divisors (see below), whose sum is σ = 119945226240. Its totient is φ = 19521330048.

The previous prime is 52478517281. The next prime is 52478517379. The reversal of 52478517364 is 46371587425.

It is a Harshad number since it is a multiple of its sum of digits (52).

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 31 ways as a sum of consecutive naturals, for example, 440827 + ... + 547069.

It is an arithmetic number, because the mean of its divisors is an integer number (1249429440).

Almost surely, 2^52478517364 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 52478517364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59972613120).

52478517364 is an abundant number, since it is smaller than the sum of its proper divisors (67466708876).

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

52478517364 is a wasteful number, since it uses less digits than its factorization.

52478517364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106349 (or 106347 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 52.

The spelling of 52478517364 in words is "fifty-two billion, four hundred seventy-eight million, five hundred seventeen thousand, three hundred sixty-four".