51679229 has 16 divisors (see below), whose sum is σ = 63141120. Its totient is φ = 41331840.

The previous prime is 51679217. The next prime is 51679231. The reversal of 51679229 is 92297615.

It is a cyclic number.

It is not a de Polignac number, because 51679229 - 2⁴ = 51679213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51679289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (3946320).

Almost surely, 2^51679229 is an apocalyptic number.

It is an amenable number.

51679229 is a deficient number, since it is larger than the sum of its proper divisors (11461891).

51679229 is a wasteful number, since it uses less digits than its factorization.

51679229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900.

The product of its digits is 68040, while the sum is 41.

The square root of 51679229 is about 7188.8266775601. The cubic root of 51679229 is about 372.4820440874.

The spelling of 51679229 in words is "fifty-one million, six hundred seventy-nine thousand, two hundred twenty-nine".