51544008 has 24 divisors (see below), whose sum is σ = 139598550. Its totient is φ = 17181312.

The previous prime is 51543967. The next prime is 51544013. The reversal of 51544008 is 80044515.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 12830724 = 6222^2 + 3582^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357873 + ... + 358016.

Almost surely, 2^51544008 is an apocalyptic number.

It is an amenable number.

51544008 is an abundant number, since it is smaller than the sum of its proper divisors (88054542).

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

51544008 is a wasteful number, since it uses less digits than its factorization.

51544008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715901 (or 715894 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 51544008 is about 7179.4155751008. The cubic root of 51544008 is about 372.1568883853.

The spelling of 51544008 in words is "fifty-one million, five hundred forty-four thousand, eight".