51208192 has 112 divisors (see below), whose sum is σ = 125821440. Its totient is φ = 20348928.

The previous prime is 51208153. The next prime is 51208207. The reversal of 51208192 is 29180215.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 51208192.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089513 + ... + 1089559.

Almost surely, 2^51208192 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 51208192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62910720).

51208192 is an abundant number, since it is smaller than the sum of its proper divisors (74613248).

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

51208192 is an equidigital number, since it uses as much as digits as its factorization.

51208192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 51208192 is about 7155.9899385061. The cubic root of 51208192 is about 371.3469097453.

The spelling of 51208192 in words is "fifty-one million, two hundred eight thousand, one hundred ninety-two".