51454829956 has 12 divisors (see below), whose sum is σ = 90078258060. Its totient is φ = 25718184800.

The previous prime is 51454829953. The next prime is 51454829957. The reversal of 51454829956 is 65992845415.

It can be written as a sum of positive squares in 2 ways, for example, as 32100455556 + 19354374400 = 179166^2 + 139120^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51454829956.

It is not an unprimeable number, because it can be changed into a prime (51454829953) 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, 2294995 + ... + 2317306.

It is an arithmetic number, because the mean of its divisors is an integer number (7506521505).

Almost surely, 2^51454829956 is an apocalyptic number.

It is an amenable number.

51454829956 is a deficient number, since it is larger than the sum of its proper divisors (38623428104).

51454829956 is a wasteful number, since it uses less digits than its factorization.

51454829956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615094 (or 4615092 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 58.

The spelling of 51454829956 in words is "fifty-one billion, four hundred fifty-four million, eight hundred twenty-nine thousand, nine hundred fifty-six".