51485392 has 20 divisors (see below), whose sum is σ = 114003616. Its totient is φ = 22065120.

The previous prime is 51485303. The next prime is 51485417. The reversal of 51485392 is 29358415.

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, 229734 + ... + 229957.

Almost surely, 2^51485392 is an apocalyptic number.

It is an amenable number.

51485392 is an abundant number, since it is smaller than the sum of its proper divisors (62518224).

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

51485392 is a wasteful number, since it uses less digits than its factorization.

51485392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459706 (or 459700 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 51485392 is about 7175.3321874322. The cubic root of 51485392 is about 372.0157622334.

The spelling of 51485392 in words is "fifty-one million, four hundred eighty-five thousand, three hundred ninety-two".