523055512 has 64 divisors (see below), whose sum is σ = 1185799680. Its totient is φ = 211444992.

The previous prime is 523055501. The next prime is 523055537. The reversal of 523055512 is 215550325.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91243 + ... + 96805.

It is an arithmetic number, because the mean of its divisors is an integer number (18528120).

Almost surely, 2^523055512 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 523055512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592899840).

523055512 is an abundant number, since it is smaller than the sum of its proper divisors (662744168).

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

523055512 is a wasteful number, since it uses less digits than its factorization.

523055512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 523055512 is about 22870.4069049941. The cubic root of 523055512 is about 805.7171249430.

The spelling of 523055512 in words is "five hundred twenty-three million, fifty-five thousand, five hundred twelve".