52020693504 has 560 divisors, whose sum is σ = 171316785024. Its totient is φ = 15676416000.

The previous prime is 52020693457. The next prime is 52020693511. The reversal of 52020693504 is 40539602025.

52020693504 is a `hidden beast` number, since 520 + 20 + 69 + 3 + 50 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 344507829 + ... + 344507979.

Almost surely, 2^52020693504 is an apocalyptic number.

52020693504 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 52020693504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85658392512).

52020693504 is an abundant number, since it is smaller than the sum of its proper divisors (119296091520).

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

52020693504 is an equidigital number, since it uses as much as digits as its factorization.

52020693504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 52020693504 in words is "fifty-two billion, twenty million, six hundred ninety-three thousand, five hundred four".