51125583674954 has 4 divisors (see below), whose sum is σ = 76688375512434. Its totient is φ = 25562791837476.

The previous prime is 51125583674929. The next prime is 51125583674969. The reversal of 51125583674954 is 45947638552115.

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

It can be written as a sum of positive squares in only one way, i.e., 34172477392729 + 16953106282225 = 5845723^2 + 4117415^2 .

It is a super-2 number, since 2×51125583674954² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781395918737 + ... + 12781395918740.

Almost surely, 2^{51125583674954} is an apocalyptic number.

51125583674954 is a deficient number, since it is larger than the sum of its proper divisors (25562791837480).

51125583674954 is a wasteful number, since it uses less digits than its factorization.

51125583674954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25562791837479.

The product of its digits is 181440000, while the sum is 65.

The spelling of 51125583674954 in words is "fifty-one trillion, one hundred twenty-five billion, five hundred eighty-three million, six hundred seventy-four thousand, nine hundred fifty-four".