51929207 has 12 divisors (see below), whose sum is σ = 57870960. Its totient is φ = 46553760.

The previous prime is 51929183. The next prime is 51929209. The reversal of 51929207 is 70292915.

It is not a de Polignac number, because 51929207 - 2⁸ = 51928951 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 (51929209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5894 + ... + 11772.

It is an arithmetic number, because the mean of its divisors is an integer number (4822580).

Almost surely, 2^51929207 is an apocalyptic number.

51929207 is a deficient number, since it is larger than the sum of its proper divisors (5941753).

51929207 is a wasteful number, since it uses less digits than its factorization.

51929207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5974 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 51929207 is about 7206.1922677653. The cubic root of 51929207 is about 373.0816569230.

The spelling of 51929207 in words is "fifty-one million, nine hundred twenty-nine thousand, two hundred seven".