51942804 has 12 divisors (see below), whose sum is σ = 121199904. Its totient is φ = 17314264.

The previous prime is 51942773. The next prime is 51942851. The reversal of 51942804 is 40824915.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2164272 + ... + 2164295.

It is an arithmetic number, because the mean of its divisors is an integer number (10099992).

Almost surely, 2^51942804 is an apocalyptic number.

It is an amenable number.

51942804 is an abundant number, since it is smaller than the sum of its proper divisors (69257100).

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

51942804 is a wasteful number, since it uses less digits than its factorization.

51942804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328574 (or 4328572 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 51942804 is about 7207.1356307482. The cubic root of 51942804 is about 373.1142163046.

The spelling of 51942804 in words is "fifty-one million, nine hundred forty-two thousand, eight hundred four".