51270392 has 8 divisors (see below), whose sum is σ = 96132000. Its totient is φ = 25635192.

The previous prime is 51270367. The next prime is 51270397. The reversal of 51270392 is 29307215.

51270392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51270397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204392 + ... + 3204407.

It is an arithmetic number, because the mean of its divisors is an integer number (12016500).

Almost surely, 2^51270392 is an apocalyptic number.

It is an amenable number.

51270392 is a deficient number, since it is larger than the sum of its proper divisors (44861608).

51270392 is a wasteful number, since it uses less digits than its factorization.

51270392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408805 (or 6408801 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 51270392 is about 7160.3346290519. The cubic root of 51270392 is about 371.4972010124.

The spelling of 51270392 in words is "fifty-one million, two hundred seventy thousand, three hundred ninety-two".