51492111 has 16 divisors (see below), whose sum is σ = 75955968. Its totient is φ = 30766400.

The previous prime is 51492079. The next prime is 51492127. The reversal of 51492111 is 11129415.

It is a happy number.

51492111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 51492111 - 2⁵ = 51492079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51492131) 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 in 15 ways as a sum of consecutive naturals, for example, 8646 + ... + 13331.

It is an arithmetic number, because the mean of its divisors is an integer number (4747248).

Almost surely, 2^51492111 is an apocalyptic number.

51492111 is a deficient number, since it is larger than the sum of its proper divisors (24463857).

51492111 is a wasteful number, since it uses less digits than its factorization.

51492111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22062.

The product of its digits is 360, while the sum is 24.

The square root of 51492111 is about 7175.8003734775. The cubic root of 51492111 is about 372.0319445917.

It can be divided in two parts, 5149 and 2111, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 51492111 in words is "fifty-one million, four hundred ninety-two thousand, one hundred eleven".