55928402 has 32 divisors (see below), whose sum is σ = 93726720. Its totient is φ = 24906240.

The previous prime is 55928377. The next prime is 55928407. The reversal of 55928402 is 20482955.

It is a happy number.

55928402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55928407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48974 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (2928960).

Almost surely, 2^55928402 is an apocalyptic number.

55928402 is a deficient number, since it is larger than the sum of its proper divisors (37798318).

55928402 is a wasteful number, since it uses less digits than its factorization.

55928402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 55928402 is about 7478.5294008916. The cubic root of 55928402 is about 382.4231169609.

The spelling of 55928402 in words is "fifty-five million, nine hundred twenty-eight thousand, four hundred two".