51092690 has 16 divisors (see below), whose sum is σ = 100327680. Its totient is φ = 18579120.

The previous prime is 51092687. The next prime is 51092707. The reversal of 51092690 is 9629015.

51092690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51092690² = 5220925942872200, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 232130 + ... + 232349.

It is an arithmetic number, because the mean of its divisors is an integer number (6270480).

Almost surely, 2^51092690 is an apocalyptic number.

51092690 is a deficient number, since it is larger than the sum of its proper divisors (49234990).

51092690 is a wasteful number, since it uses less digits than its factorization.

51092690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464497.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 51092690 is about 7147.9150806372. The cubic root of 51092690 is about 371.0675039366.

The spelling of 51092690 in words is "fifty-one million, ninety-two thousand, six hundred ninety".