51412692 has 48 divisors (see below), whose sum is σ = 129995712. Its totient is φ = 15751680.

The previous prime is 51412661. The next prime is 51412693. The reversal of 51412692 is 29621415.

51412692 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51412693) 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, 5842 + ... + 11702.

It is an arithmetic number, because the mean of its divisors is an integer number (2708244).

Almost surely, 2^51412692 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51412692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64997856).

51412692 is an abundant number, since it is smaller than the sum of its proper divisors (78583020).

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

51412692 is a wasteful number, since it uses less digits than its factorization.

51412692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5928 (or 5926 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 51412692 is about 7170.2644302703. The cubic root of 51412692 is about 371.8405780064.

The spelling of 51412692 in words is "fifty-one million, four hundred twelve thousand, six hundred ninety-two".