51458925243 has 32 divisors (see below), whose sum is σ = 75374272512. Its totient is φ = 30969280800.

The previous prime is 51458925239. The next prime is 51458925277. The reversal of 51458925243 is 34252985415.

It is not a de Polignac number, because 51458925243 - 2² = 51458925239 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 51458925192 and 51458925201.

It is not an unprimeable number, because it can be changed into a prime (51458925043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2736130 + ... + 2754872.

It is an arithmetic number, because the mean of its divisors is an integer number (2355446016).

Almost surely, 2^51458925243 is an apocalyptic number.

51458925243 is a deficient number, since it is larger than the sum of its proper divisors (23915347269).

51458925243 is a wasteful number, since it uses less digits than its factorization.

51458925243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19335.

The product of its digits is 1728000, while the sum is 48.

The spelling of 51458925243 in words is "fifty-one billion, four hundred fifty-eight million, nine hundred twenty-five thousand, two hundred forty-three".