51920883 has 24 divisors (see below), whose sum is σ = 87805536. Its totient is φ = 28944000.

The previous prime is 51920833. The next prime is 51920917. The reversal of 51920883 is 38802915.

It is not a de Polignac number, because 51920883 - 2⁶ = 51920819 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51920833) 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, 7468 + ... + 12633.

It is an arithmetic number, because the mean of its divisors is an integer number (3658564).

Almost surely, 2^51920883 is an apocalyptic number.

51920883 is a deficient number, since it is larger than the sum of its proper divisors (35884653).

51920883 is a wasteful number, since it uses less digits than its factorization.

51920883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155 (or 20152 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 51920883 is about 7205.6146857850. The cubic root of 51920883 is about 373.0617214645.

The spelling of 51920883 in words is "fifty-one million, nine hundred twenty thousand, eight hundred eighty-three".