51057429 has 16 divisors (see below), whose sum is σ = 70993920. Its totient is φ = 32598720.

The previous prime is 51057397. The next prime is 51057451. The reversal of 51057429 is 92475015.

It is not a de Polignac number, because 51057429 - 2⁵ = 51057397 is a prime.

It is a super-2 number, since 2×51057429² = 5213722112180082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51057429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51057029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8739 + ... + 13359.

It is an arithmetic number, because the mean of its divisors is an integer number (4437120).

Almost surely, 2^51057429 is an apocalyptic number.

It is an amenable number.

51057429 is a deficient number, since it is larger than the sum of its proper divisors (19936491).

51057429 is a wasteful number, since it uses less digits than its factorization.

51057429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 51057429 is about 7145.4481315030. The cubic root of 51057429 is about 370.9821217134.

The spelling of 51057429 in words is "fifty-one million, fifty-seven thousand, four hundred twenty-nine".