55904903 has 8 divisors (see below), whose sum is σ = 57415680. Its totient is φ = 54414360.

The previous prime is 55904887. The next prime is 55904909. The reversal of 55904903 is 30940955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55904903 - 2⁴ = 55904887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55904909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (7176960).

Almost surely, 2^55904903 is an apocalyptic number.

55904903 is a deficient number, since it is larger than the sum of its proper divisors (1510777).

55904903 is an equidigital number, since it uses as much as digits as its factorization.

55904903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 55904903 is about 7476.9581381736. The cubic root of 55904903 is about 382.3695495461.

The spelling of 55904903 in words is "fifty-five million, nine hundred four thousand, nine hundred three".