51759494 has 8 divisors (see below), whose sum is σ = 77680488. Its totient is φ = 25866000.

The previous prime is 51759481. The next prime is 51759503. The reversal of 51759494 is 49495715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1247 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (9710061).

Almost surely, 2^51759494 is an apocalyptic number.

51759494 is a deficient number, since it is larger than the sum of its proper divisors (25920994).

51759494 is a wasteful number, since it uses less digits than its factorization.

51759494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750.

The product of its digits is 226800, while the sum is 44.

The square root of 51759494 is about 7194.4071333224. The cubic root of 51759494 is about 372.6747830723.

The spelling of 51759494 in words is "fifty-one million, seven hundred fifty-nine thousand, four hundred ninety-four".