55830901 has 4 divisors (see below), whose sum is σ = 63806752. Its totient is φ = 47855052.

The previous prime is 55830893. The next prime is 55830953. The reversal of 55830901 is 10903855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55830901 - 2³ = 55830893 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 (55830001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3987915 + ... + 3987928.

It is an arithmetic number, because the mean of its divisors is an integer number (15951688).

Almost surely, 2^55830901 is an apocalyptic number.

It is an amenable number.

55830901 is a deficient number, since it is larger than the sum of its proper divisors (7975851).

55830901 is an equidigital number, since it uses as much as digits as its factorization.

55830901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975850.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 55830901 is about 7472.0078292250. The cubic root of 55830901 is about 382.2007593066.

The spelling of 55830901 in words is "fifty-five million, eight hundred thirty thousand, nine hundred one".