53284899072 has 72 divisors (see below), whose sum is σ = 146390298880. Its totient is φ = 17188669440.

The previous prime is 53284898987. The next prime is 53284899091. The reversal of 53284899072 is 27099848235.

It is a happy number.

It is a super-2 number, since 2×53284899072² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095247 + ... + 1142862.

Almost surely, 2^53284899072 is an apocalyptic number.

It is an amenable number.

53284899072 is an abundant number, since it is smaller than the sum of its proper divisors (93105399808).

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

53284899072 is a wasteful number, since it uses less digits than its factorization.

53284899072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238159 (or 2238145 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The spelling of 53284899072 in words is "fifty-three billion, two hundred eighty-four million, eight hundred ninety-nine thousand, seventy-two".