51174342 has 28 divisors (see below), whose sum is σ = 115092900. Its totient is φ = 17057628.

The previous prime is 51174341. The next prime is 51174407. The reversal of 51174342 is 24347115.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51174341) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 16092 + ... + 19007.

Almost surely, 2^51174342 is an apocalyptic number.

51174342 is an abundant number, since it is smaller than the sum of its proper divisors (63918558).

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

51174342 is an equidigital number, since it uses as much as digits as its factorization.

51174342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35119 (or 35104 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 51174342 is about 7153.6243960667. The cubic root of 51174342 is about 371.2650682589.

The spelling of 51174342 in words is "fifty-one million, one hundred seventy-four thousand, three hundred forty-two".