51879305 has 16 divisors (see below), whose sum is σ = 63901440. Its totient is φ = 40415232.

The previous prime is 51879301. The next prime is 51879307. The reversal of 51879305 is 50397815.

It is a cyclic number.

It is not a de Polignac number, because 51879305 - 2² = 51879301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51879301) 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, 59966 + ... + 60824.

It is an arithmetic number, because the mean of its divisors is an integer number (3993840).

Almost surely, 2^51879305 is an apocalyptic number.

It is an amenable number.

51879305 is a deficient number, since it is larger than the sum of its proper divisors (12022135).

51879305 is a wasteful number, since it uses less digits than its factorization.

51879305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 51879305 is about 7202.7289967067. The cubic root of 51879305 is about 372.9621128444.

The spelling of 51879305 in words is "fifty-one million, eight hundred seventy-nine thousand, three hundred five".