51751674 has 48 divisors (see below), whose sum is σ = 121921800. Its totient is φ = 15769728.

The previous prime is 51751669. The next prime is 51751697. The reversal of 51751674 is 47615715.

It can be written as a sum of positive squares in 4 ways, for example, as 50765625 + 986049 = 7125^2 + 993^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24492 + ... + 26520.

Almost surely, 2^51751674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51751674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60960900).

51751674 is an abundant number, since it is smaller than the sum of its proper divisors (70170126).

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

51751674 is a wasteful number, since it uses less digits than its factorization.

51751674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159 (or 2156 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 51751674 is about 7193.8636350712. The cubic root of 51751674 is about 372.6560138034.

It can be divided in two parts, 51751 and 674, that added together give a palindrome (52425).

The spelling of 51751674 in words is "fifty-one million, seven hundred fifty-one thousand, six hundred seventy-four".