525275527552 has 64 divisors (see below), whose sum is σ = 1055469888000. Its totient is φ = 260376367104.

The previous prime is 525275527547. The next prime is 525275527573. The reversal of 525275527552 is 255725572525.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×525275527552² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525275527552.

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 7 ways as a sum of consecutive naturals, for example, 23283574 + ... + 23306122.

It is an arithmetic number, because the mean of its divisors is an integer number (16491717000).

Almost surely, 2^525275527552 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 525275527552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527734944000).

525275527552 is an abundant number, since it is smaller than the sum of its proper divisors (530194360448).

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

525275527552 is a wasteful number, since it uses less digits than its factorization.

525275527552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24123 (or 24111 counting only the distinct ones).

The product of its digits is 12250000, while the sum is 52.

The spelling of 525275527552 in words is "five hundred twenty-five billion, two hundred seventy-five million, five hundred twenty-seven thousand, five hundred fifty-two".