53285226520 has 16 divisors (see below), whose sum is σ = 119891759760. Its totient is φ = 21314090592.

The previous prime is 53285226469. The next prime is 53285226541. The reversal of 53285226520 is 2562258235.

It is a super-2 number, since 2×53285226520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1332130663 = 53285226520 / (5 + 3 + 2 + 8 + 5 + 2 + 2 + 6 + 5 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666065292 + ... + 666065371.

It is an arithmetic number, because the mean of its divisors is an integer number (7493234985).

Almost surely, 2^53285226520 is an apocalyptic number.

It is an amenable number.

53285226520 is an abundant number, since it is smaller than the sum of its proper divisors (66606533240).

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

53285226520 is a wasteful number, since it uses less digits than its factorization.

53285226520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332130674 (or 1332130670 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 53285226520 in words is "fifty-three billion, two hundred eighty-five million, two hundred twenty-six thousand, five hundred twenty".