51552015453 has 6 divisors (see below), whose sum is σ = 74464022334. Its totient is φ = 34368010296.

The previous prime is 51552015413. The next prime is 51552015467. The reversal of 51552015453 is 35451025515.

51552015453 is a `hidden beast` number, since 5 + 1 + 552 + 0 + 1 + 54 + 53 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51232964409 + 319051044 = 226347^2 + 17862^2 .

It is not a de Polignac number, because 51552015453 - 2¹⁴ = 51551999069 is a prime.

It is a super-2 number, since 2×51552015453² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51552015413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2864000850 + ... + 2864000867.

It is an arithmetic number, because the mean of its divisors is an integer number (12410670389).

Almost surely, 2^51552015453 is an apocalyptic number.

It is an amenable number.

51552015453 is a deficient number, since it is larger than the sum of its proper divisors (22912006881).

51552015453 is a wasteful number, since it uses less digits than its factorization.

51552015453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728001723 (or 5728001720 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 51552015453 in words is "fifty-one billion, five hundred fifty-two million, fifteen thousand, four hundred fifty-three".