51542237958 has 8 divisors (see below), whose sum is σ = 103084475928. Its totient is φ = 17180745984.

The previous prime is 51542237953. The next prime is 51542238017. The reversal of 51542237958 is 85973224515.

It is a sphenic number, since it is the product of 3 distinct primes.

51542237958 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51542237958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51542237951) 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, 4295186491 + ... + 4295186502.

It is an arithmetic number, because the mean of its divisors is an integer number (12885559491).

Almost surely, 2^51542237958 is an apocalyptic number.

51542237958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51542237958 is a wasteful number, since it uses less digits than its factorization.

51542237958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590372998.

The product of its digits is 3024000, while the sum is 51.

The spelling of 51542237958 in words is "fifty-one billion, five hundred forty-two million, two hundred thirty-seven thousand, nine hundred fifty-eight".