51450268 has 6 divisors (see below), whose sum is σ = 90037976. Its totient is φ = 25725132.

The previous prime is 51450253. The next prime is 51450281. The reversal of 51450268 is 86205415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431280 + ... + 6431287.

Almost surely, 2^51450268 is an apocalyptic number.

It is an amenable number.

51450268 is a deficient number, since it is larger than the sum of its proper divisors (38587708).

51450268 is a wasteful number, since it uses less digits than its factorization.

51450268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12862571 (or 12862569 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 51450268 is about 7172.8842176631. The cubic root of 51450268 is about 371.9311450008.

The spelling of 51450268 in words is "fifty-one million, four hundred fifty thousand, two hundred sixty-eight".