51479926 has 8 divisors (see below), whose sum is σ = 77293944. Its totient is φ = 25715280.

The previous prime is 51479917. The next prime is 51479929. The reversal of 51479926 is 62997415.

It is a happy number.

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 (51479929) 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, 9615 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (9661743).

Almost surely, 2^51479926 is an apocalyptic number.

51479926 is a deficient number, since it is larger than the sum of its proper divisors (25814018).

51479926 is a wasteful number, since it uses less digits than its factorization.

51479926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24686.

The product of its digits is 136080, while the sum is 43.

The square root of 51479926 is about 7174.9512890333. The cubic root of 51479926 is about 372.0025966212.

The spelling of 51479926 in words is "fifty-one million, four hundred seventy-nine thousand, nine hundred twenty-six".