51879629 has 8 divisors (see below), whose sum is σ = 53836992. Its totient is φ = 49956480.

The previous prime is 51879601. The next prime is 51879679. The reversal of 51879629 is 92697815.

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

It is a cyclic number.

It is not a de Polignac number, because 51879629 - 2¹² = 51875533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51879679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (6729624).

Almost surely, 2^51879629 is an apocalyptic number.

It is an amenable number.

51879629 is a deficient number, since it is larger than the sum of its proper divisors (1957363).

51879629 is a wasteful number, since it uses less digits than its factorization.

51879629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107.

The product of its digits is 272160, while the sum is 47.

The square root of 51879629 is about 7202.7514881467. The cubic root of 51879629 is about 372.9628892585.

The spelling of 51879629 in words is "fifty-one million, eight hundred seventy-nine thousand, six hundred twenty-nine".