51970784 has 24 divisors (see below), whose sum is σ = 105847560. Its totient is φ = 25088896.

The previous prime is 51970783. The next prime is 51970811. The reversal of 51970784 is 48707915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51970781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27074 + ... + 28929.

It is an arithmetic number, because the mean of its divisors is an integer number (4410315).

Almost surely, 2^51970784 is an apocalyptic number.

It is an amenable number.

51970784 is an abundant number, since it is smaller than the sum of its proper divisors (53876776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51970784 is a wasteful number, since it uses less digits than its factorization.

51970784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56042 (or 56034 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 51970784 is about 7209.0765011893. The cubic root of 51970784 is about 373.1811993514.

The spelling of 51970784 in words is "fifty-one million, nine hundred seventy thousand, seven hundred eighty-four".