51353140045 has 8 divisors (see below), whose sum is σ = 61631963640. Its totient is φ = 41077048320.

The previous prime is 51353140001. The next prime is 51353140087. The reversal of 51353140045 is 54004135315.

It can be written as a sum of positive squares in 4 ways, for example, as 10928820681 + 40424319364 = 104541^2 + 201058^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51353140045 - 2⁷ = 51353139917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51353139989 and 51353140016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641380 + ... + 716989.

It is an arithmetic number, because the mean of its divisors is an integer number (7703995455).

Almost surely, 2^51353140045 is an apocalyptic number.

It is an amenable number.

51353140045 is a deficient number, since it is larger than the sum of its proper divisors (10278823595).

51353140045 is a wasteful number, since it uses less digits than its factorization.

51353140045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365935.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 51353140045 in words is "fifty-one billion, three hundred fifty-three million, one hundred forty thousand, forty-five".