51958292 has 12 divisors (see below), whose sum is σ = 91066836. Its totient is φ = 25939200.

The previous prime is 51958279. The next prime is 51958321. The reversal of 51958292 is 29285915.

It can be written as a sum of positive squares in 2 ways, for example, as 23078416 + 28879876 = 4804^2 + 5374^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6959 + ... + 12342.

It is an arithmetic number, because the mean of its divisors is an integer number (7588903).

Almost surely, 2^51958292 is an apocalyptic number.

It is an amenable number.

51958292 is a deficient number, since it is larger than the sum of its proper divisors (39108544).

51958292 is a wasteful number, since it uses less digits than its factorization.

51958292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19978 (or 19976 counting only the distinct ones).

The product of its digits is 64800, while the sum is 41.

The square root of 51958292 is about 7208.2100413348. The cubic root of 51958292 is about 373.1512969541.

The spelling of 51958292 in words is "fifty-one million, nine hundred fifty-eight thousand, two hundred ninety-two".