51560874 has 40 divisors (see below), whose sum is σ = 119273088. Its totient is φ = 16630920.

The previous prime is 51560837. The next prime is 51560879. The reversal of 51560874 is 47806515.

51560874 is a `hidden beast` number, since 515 + 60 + 87 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (51560879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112 + ... + 10155.

Almost surely, 2^51560874 is an apocalyptic number.

51560874 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51560874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59636544).

51560874 is an abundant number, since it is smaller than the sum of its proper divisors (67712214).

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

51560874 is a wasteful number, since it uses less digits than its factorization.

51560874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 51560874 is about 7180.5900871725. The cubic root of 51560874 is about 372.1974757968.

The spelling of 51560874 in words is "fifty-one million, five hundred sixty thousand, eight hundred seventy-four".