51957429 has 8 divisors (see below), whose sum is σ = 69330240. Its totient is φ = 34611456.

The previous prime is 51957427. The next prime is 51957449. The reversal of 51957429 is 92475915.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51957429 - 2¹ = 51957427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51957427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1644 + ... + 10325.

It is an arithmetic number, because the mean of its divisors is an integer number (8666280).

Almost surely, 2^51957429 is an apocalyptic number.

It is an amenable number.

51957429 is a deficient number, since it is larger than the sum of its proper divisors (17372811).

51957429 is a wasteful number, since it uses less digits than its factorization.

51957429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13419.

The product of its digits is 113400, while the sum is 42.

The square root of 51957429 is about 7208.1501787907. The cubic root of 51957429 is about 373.1492309935.

The spelling of 51957429 in words is "fifty-one million, nine hundred fifty-seven thousand, four hundred twenty-nine".