51053610757 has 4 divisors (see below), whose sum is σ = 51082150060. Its totient is φ = 51025071456.

The previous prime is 51053610749. The next prime is 51053610787. The reversal of 51053610757 is 75701635015.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41877120321 + 9176490436 = 204639^2 + 95794^2 .

It is a cyclic number.

It is not a de Polignac number, because 51053610757 - 2³ = 51053610749 is a prime.

It is a super-2 number, since 2×51053610757² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51053610787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14266968 + ... + 14270545.

It is an arithmetic number, because the mean of its divisors is an integer number (12770537515).

Almost surely, 2^51053610757 is an apocalyptic number.

It is an amenable number.

51053610757 is a deficient number, since it is larger than the sum of its proper divisors (28539303).

51053610757 is a wasteful number, since it uses less digits than its factorization.

51053610757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28539302.

The product of its (nonzero) digits is 110250, while the sum is 40.

The spelling of 51053610757 in words is "fifty-one billion, fifty-three million, six hundred ten thousand, seven hundred fifty-seven".