51394829 has 16 divisors (see below), whose sum is σ = 56140800. Its totient is φ = 46887984.

The previous prime is 51394823. The next prime is 51394877. The reversal of 51394829 is 92849315.

It is a cyclic number.

It is not a de Polignac number, because 51394829 - 2¹² = 51390733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51394823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59402 + ... + 60260.

It is an arithmetic number, because the mean of its divisors is an integer number (3508800).

Almost surely, 2^51394829 is an apocalyptic number.

It is an amenable number.

51394829 is a deficient number, since it is larger than the sum of its proper divisors (4745971).

51394829 is a wasteful number, since it uses less digits than its factorization.

51394829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 77760, while the sum is 41.

The square root of 51394829 is about 7169.0186915644. The cubic root of 51394829 is about 371.7975085009.

The spelling of 51394829 in words is "fifty-one million, three hundred ninety-four thousand, eight hundred twenty-nine".