51953908 has 12 divisors (see below), whose sum is σ = 91070560. Its totient is φ = 25933752.

The previous prime is 51953899. The next prime is 51953947. The reversal of 51953908 is 80935915.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8016 + ... + 12967.

Almost surely, 2^51953908 is an apocalyptic number.

It is an amenable number.

51953908 is a deficient number, since it is larger than the sum of its proper divisors (39116652).

51953908 is a wasteful number, since it uses less digits than its factorization.

51953908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21606 (or 21604 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 51953908 is about 7207.9059372331. The cubic root of 51953908 is about 373.1408017329.

The spelling of 51953908 in words is "fifty-one million, nine hundred fifty-three thousand, nine hundred eight".