39750056 has 8 divisors (see below), whose sum is σ = 74531370. Its totient is φ = 19875024.

The previous prime is 39750047. The next prime is 39750059. The reversal of 39750056 is 65005793.

It can be written as a sum of positive squares in only one way, i.e., 28793956 + 10956100 = 5366^2 + 3310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 39749998 and 39750025.

It is not an unprimeable number, because it can be changed into a prime (39750059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484371 + ... + 2484386.

Almost surely, 2^39750056 is an apocalyptic number.

It is an amenable number.

39750056 is a deficient number, since it is larger than the sum of its proper divisors (34781314).

39750056 is a wasteful number, since it uses less digits than its factorization.

39750056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968763 (or 4968759 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 39750056 is about 6304.7645475466. The cubic root of 39750056 is about 341.2813700940.

The spelling of 39750056 in words is "thirty-nine million, seven hundred fifty thousand, fifty-six".