53052657444 has 36 divisors (see below), whose sum is σ = 134112458844. Its totient is φ = 17683278912.

The previous prime is 53052657421. The next prime is 53052657487. The reversal of 53052657444 is 44475625035.

53052657444 is a `hidden beast` number, since 5 + 30 + 5 + 2 + 6 + 574 + 44 = 666.

53052657444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32557871844 + 20494785600 = 180438^2 + 143160^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×53052657444² (a number of 22 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 53052657444.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1105354 + ... + 1152350.

It is an arithmetic number, because the mean of its divisors is an integer number (3725346079).

Almost surely, 2^53052657444 is an apocalyptic number.

It is an amenable number.

53052657444 is an abundant number, since it is smaller than the sum of its proper divisors (81059801400).

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

53052657444 is a wasteful number, since it uses less digits than its factorization.

53052657444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78364 (or 78359 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 53052657444 in words is "fifty-three billion, fifty-two million, six hundred fifty-seven thousand, four hundred forty-four".