53056621140 has 72 divisors (see below), whose sum is σ = 153858038880. Its totient is φ = 13660542336.

The previous prime is 53056621139. The next prime is 53056621141. The reversal of 53056621140 is 4112665035.

53056621140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53056621139) and next prime (53056621141).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53056621141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475270 + ... + 576189.

Almost surely, 2^53056621140 is an apocalyptic number.

It is an amenable number.

53056621140 is an abundant number, since it is smaller than the sum of its proper divisors (100801417740).

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

53056621140 is a wasteful number, since it uses less digits than its factorization.

53056621140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051529 (or 1051498 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 53056621140 in words is "fifty-three billion, fifty-six million, six hundred twenty-one thousand, one hundred forty".