51494352 has 80 divisors (see below), whose sum is σ = 163739520. Its totient is φ = 13579776.

The previous prime is 51494329. The next prime is 51494363. The reversal of 51494352 is 25349415.

51494352 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 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 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (2046744).

Almost surely, 2^51494352 is an apocalyptic number.

51494352 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51494352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81869760).

51494352 is an abundant number, since it is smaller than the sum of its proper divisors (112245168).

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

51494352 is a wasteful number, since it uses less digits than its factorization.

51494352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820 (or 11814 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 51494352 is about 7175.9565216074. The cubic root of 51494352 is about 372.0373416093.

The spelling of 51494352 in words is "fifty-one million, four hundred ninety-four thousand, three hundred fifty-two".