51092625812 has 6 divisors (see below), whose sum is σ = 89412095178. Its totient is φ = 25546312904.

The previous prime is 51092625767. The next prime is 51092625827. The reversal of 51092625812 is 21852629015.

It can be written as a sum of positive squares in only one way, i.e., 48644949136 + 2447676676 = 220556^2 + 49474^2 .

It is a super-2 number, since 2×51092625812² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51092625812.

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, 6386578223 + ... + 6386578230.

It is an arithmetic number, because the mean of its divisors is an integer number (14902015863).

Almost surely, 2^51092625812 is an apocalyptic number.

It is an amenable number.

51092625812 is a deficient number, since it is larger than the sum of its proper divisors (38319469366).

51092625812 is a wasteful number, since it uses less digits than its factorization.

51092625812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12773156457 (or 12773156455 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 51092625812 in words is "fifty-one billion, ninety-two million, six hundred twenty-five thousand, eight hundred twelve".