51105601053 has 16 divisors (see below), whose sum is σ = 81536002240. Its totient is φ = 31449600432.

The previous prime is 51105601051. The next prime is 51105601061. The reversal of 51105601053 is 35010650115.

51105601053 is a `hidden beast` number, since 5 + 1 + 1 + 0 + 5 + 601 + 0 + 53 = 666.

51105601053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51105601053 - 2¹ = 51105601051 is a prime.

It is a super-2 number, since 2×51105601053² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105601051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72799651 + ... + 72800352.

It is an arithmetic number, because the mean of its divisors is an integer number (5096000140).

Almost surely, 2^51105601053 is an apocalyptic number.

It is an amenable number.

51105601053 is a deficient number, since it is larger than the sum of its proper divisors (30430401187).

51105601053 is a wasteful number, since it uses less digits than its factorization.

51105601053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145600025 (or 145600019 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 27.

The spelling of 51105601053 in words is "fifty-one billion, one hundred five million, six hundred one thousand, fifty-three".