51225462356 has 6 divisors (see below), whose sum is σ = 89644559130. Its totient is φ = 25612731176.

The previous prime is 51225462331. The next prime is 51225462371. The reversal of 51225462356 is 65326452215.

51225462356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 50482899856 + 742562500 = 224684^2 + 27250^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403182791 + ... + 6403182798.

It is an arithmetic number, because the mean of its divisors is an integer number (14940759855).

Almost surely, 2^51225462356 is an apocalyptic number.

It is an amenable number.

51225462356 is a deficient number, since it is larger than the sum of its proper divisors (38419096774).

51225462356 is a wasteful number, since it uses less digits than its factorization.

51225462356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806365593 (or 12806365591 counting only the distinct ones).

The product of its digits is 432000, while the sum is 41.

The spelling of 51225462356 in words is "fifty-one billion, two hundred twenty-five million, four hundred sixty-two thousand, three hundred fifty-six".