52261600144 has 40 divisors (see below), whose sum is σ = 109078421312. Its totient is φ = 24113531520.

The previous prime is 52261600121. The next prime is 52261600159. The reversal of 52261600144 is 44100616225.

It is a happy number.

It is a super-2 number, since 2×52261600144² (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, 694507 + ... + 766069.

Almost surely, 2^52261600144 is an apocalyptic number.

It is an amenable number.

52261600144 is an abundant number, since it is smaller than the sum of its proper divisors (56816821168).

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

52261600144 is a wasteful number, since it uses less digits than its factorization.

52261600144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75095 (or 75089 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 52261600144 in words is "fifty-two billion, two hundred sixty-one million, six hundred thousand, one hundred forty-four".