51797042 has 16 divisors (see below), whose sum is σ = 85601664. Its totient is φ = 23310000.

The previous prime is 51797041. The next prime is 51797047. The reversal of 51797042 is 24079715.

It is a junction number, because it is equal to n+sod(n) for n = 51796993 and 51797011.

It is not an unprimeable number, because it can be changed into a prime (51797041) 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, 9434 + ... + 13877.

It is an arithmetic number, because the mean of its divisors is an integer number (5350104).

Almost surely, 2^51797042 is an apocalyptic number.

51797042 is a deficient number, since it is larger than the sum of its proper divisors (33804622).

51797042 is a wasteful number, since it uses less digits than its factorization.

51797042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23425.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 51797042 is about 7197.0161872821. The cubic root of 51797042 is about 372.7648780438.

It can be divided in two parts, 5179 and 7042, that added together give a palindrome (12221).

The spelling of 51797042 in words is "fifty-one million, seven hundred ninety-seven thousand, forty-two".