51792291 has 24 divisors (see below), whose sum is σ = 78222144. Its totient is φ = 34243560.

The previous prime is 51792287. The next prime is 51792311. The reversal of 51792291 is 19229715.

51792291 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 51792291 - 2² = 51792287 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51792281) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31020 + ... + 32646.

It is an arithmetic number, because the mean of its divisors is an integer number (3259256).

Almost surely, 2^51792291 is an apocalyptic number.

51792291 is a deficient number, since it is larger than the sum of its proper divisors (26429853).

51792291 is a wasteful number, since it uses less digits than its factorization.

51792291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1761 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 51792291 is about 7196.6861123714. The cubic root of 51792291 is about 372.7534806099.

The spelling of 51792291 in words is "fifty-one million, seven hundred ninety-two thousand, two hundred ninety-one".