51172958 has 8 divisors (see below), whose sum is σ = 81274752. Its totient is φ = 24081376.

The previous prime is 51172951. The next prime is 51172969. The reversal of 51172958 is 85927115.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51172951) 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, 752510 + ... + 752577.

It is an arithmetic number, because the mean of its divisors is an integer number (10159344).

Almost surely, 2^51172958 is an apocalyptic number.

51172958 is a deficient number, since it is larger than the sum of its proper divisors (30101794).

51172958 is a wasteful number, since it uses less digits than its factorization.

51172958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505106.

The product of its digits is 25200, while the sum is 38.

The square root of 51172958 is about 7153.5276612312. The cubic root of 51172958 is about 371.2617212985.

The spelling of 51172958 in words is "fifty-one million, one hundred seventy-two thousand, nine hundred fifty-eight".