51574480 has 40 divisors (see below), whose sum is σ = 120329352. Its totient is φ = 20557824.

The previous prime is 51574477. The next prime is 51574489. The reversal of 51574480 is 8447515.

51574480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8225424 + 43349056 = 2868^2 + 6584^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51574489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26004 + ... + 27916.

Almost surely, 2^51574480 is an apocalyptic number.

It is an amenable number.

51574480 is an abundant number, since it is smaller than the sum of its proper divisors (68754872).

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

51574480 is a wasteful number, since it uses less digits than its factorization.

51574480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 51574480 is about 7181.5374398523. The cubic root of 51574480 is about 372.2302116880.

The spelling of 51574480 in words is "fifty-one million, five hundred seventy-four thousand, four hundred eighty".