55513401 has 4 divisors (see below), whose sum is σ = 74017872. Its totient is φ = 37008932.

The previous prime is 55513369. The next prime is 55513411. The reversal of 55513401 is 10431555.

55513401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 55513401 - 2⁵ = 55513369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55513411) 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 3 ways as a sum of consecutive naturals, for example, 9252231 + ... + 9252236.

It is an arithmetic number, because the mean of its divisors is an integer number (18504468).

Almost surely, 2^55513401 is an apocalyptic number.

It is an amenable number.

55513401 is a deficient number, since it is larger than the sum of its proper divisors (18504471).

55513401 is a wasteful number, since it uses less digits than its factorization.

55513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18504470.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55513401 is about 7450.7315748187. The cubic root of 55513401 is about 381.4748799239.

Adding to 55513401 its reverse (10431555), we get a palindrome (65944956).

The spelling of 55513401 in words is "fifty-five million, five hundred thirteen thousand, four hundred one".