39855054 has 16 divisors (see below), whose sum is σ = 79896960. Its totient is φ = 13253880.

The previous prime is 39855043. The next prime is 39855061. The reversal of 39855054 is 45055893.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4932 + ... + 10199.

It is an arithmetic number, because the mean of its divisors is an integer number (4993560).

Almost surely, 2^39855054 is an apocalyptic number.

39855054 is an abundant number, since it is smaller than the sum of its proper divisors (40041906).

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

39855054 is a wasteful number, since it uses less digits than its factorization.

39855054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15575.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 39855054 is about 6313.0859332026. The cubic root of 39855054 is about 341.5815990743.

The spelling of 39855054 in words is "thirty-nine million, eight hundred fifty-five thousand, fifty-four".