39628055 has 4 divisors (see below), whose sum is σ = 47553672. Its totient is φ = 31702440.

The previous prime is 39628049. The next prime is 39628079. The reversal of 39628055 is 55082693.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55082693 = 1279 ⋅43067.

It is not a de Polignac number, because 39628055 - 2¹⁰ = 39627031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3962801 + ... + 3962810.

It is an arithmetic number, because the mean of its divisors is an integer number (11888418).

Almost surely, 2^39628055 is an apocalyptic number.

39628055 is a deficient number, since it is larger than the sum of its proper divisors (7925617).

39628055 is an equidigital number, since it uses as much as digits as its factorization.

39628055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7925616.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 39628055 is about 6295.0818104295. The cubic root of 39628055 is about 340.9318583151.

The spelling of 39628055 in words is "thirty-nine million, six hundred twenty-eight thousand, fifty-five".