39550056 has 144 divisors (see below), whose sum is σ = 125172000. Its totient is φ = 10378368.

The previous prime is 39550009. The next prime is 39550057. The reversal of 39550056 is 65005593.

It is a junction number, because it is equal to n+sod(n) for n = 39549999 and 39550026.

It is not an unprimeable number, because it can be changed into a prime (39550057) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 198645 + ... + 198843.

It is an arithmetic number, because the mean of its divisors is an integer number (869250).

Almost surely, 2^39550056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39550056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62586000).

39550056 is an abundant number, since it is smaller than the sum of its proper divisors (85621944).

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

39550056 is a wasteful number, since it uses less digits than its factorization.

39550056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 39550056 is about 6288.8835257142. The cubic root of 39550056 is about 340.7080285885.

The spelling of 39550056 in words is "thirty-nine million, five hundred fifty thousand, fifty-six".