51240592 has 20 divisors (see below), whose sum is σ = 106915900. Its totient is φ = 23649408.

The previous prime is 51240589. The next prime is 51240643. The reversal of 51240592 is 29504215.

51240592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4946176 + 46294416 = 2224^2 + 6804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51240592.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 122967 + ... + 123382.

It is an arithmetic number, because the mean of its divisors is an integer number (5345795).

Almost surely, 2^51240592 is an apocalyptic number.

51240592 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51240592 is an abundant number, since it is smaller than the sum of its proper divisors (55675308).

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

51240592 is a wasteful number, since it uses less digits than its factorization.

51240592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246370 (or 246364 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51240592 is about 7158.2534182578. The cubic root of 51240592 is about 371.4252116912.

The spelling of 51240592 in words is "fifty-one million, two hundred forty thousand, five hundred ninety-two".