51033294 has 64 divisors (see below), whose sum is σ = 123244800. Its totient is φ = 15559776.

The previous prime is 51033247. The next prime is 51033313. The reversal of 51033294 is 49233015.

51033294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 31 ways as a sum of consecutive naturals, for example, 97317 + ... + 97839.

It is an arithmetic number, because the mean of its divisors is an integer number (1925700).

Almost surely, 2^51033294 is an apocalyptic number.

51033294 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51033294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61622400).

51033294 is an abundant number, since it is smaller than the sum of its proper divisors (72211506).

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

51033294 is a wasteful number, since it uses less digits than its factorization.

51033294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 51033294 is about 7143.7590944824. The cubic root of 51033294 is about 370.9236577127.

The spelling of 51033294 in words is "fifty-one million, thirty-three thousand, two hundred ninety-four".