51157754 has 16 divisors (see below), whose sum is σ = 79132416. Its totient is φ = 24786000.

The previous prime is 51157753. The next prime is 51157763. The reversal of 51157754 is 45775115.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (51157751) 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, 18779 + ... + 21329.

It is an arithmetic number, because the mean of its divisors is an integer number (4945776).

Almost surely, 2^51157754 is an apocalyptic number.

51157754 is a deficient number, since it is larger than the sum of its proper divisors (27974662).

51157754 is a wasteful number, since it uses less digits than its factorization.

51157754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861.

The product of its digits is 24500, while the sum is 35.

The square root of 51157754 is about 7152.4648898125. The cubic root of 51157754 is about 371.2249491272.

The spelling of 51157754 in words is "fifty-one million, one hundred fifty-seven thousand, seven hundred fifty-four".