55030401 has 8 divisors (see below), whose sum is σ = 81526560. Its totient is φ = 36686916.

The previous prime is 55030387. The next prime is 55030427. The reversal of 55030401 is 10403055.

It is not a de Polignac number, because 55030401 - 2⁶ = 55030337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55030201) 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, 1019055 + ... + 1019108.

It is an arithmetic number, because the mean of its divisors is an integer number (10190820).

Almost surely, 2^55030401 is an apocalyptic number.

It is an amenable number.

55030401 is a deficient number, since it is larger than the sum of its proper divisors (26496159).

55030401 is a wasteful number, since it uses less digits than its factorization.

55030401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038172 (or 2038166 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 55030401 is about 7418.2478389442. The cubic root of 55030401 is about 380.3653019929.

Adding to 55030401 its reverse (10403055), we get a palindrome (65433456).

The spelling of 55030401 in words is "fifty-five million, thirty thousand, four hundred one".