54103553 has 4 divisors (see below), whose sum is σ = 61832640. Its totient is φ = 46374468.

The previous prime is 54103549. The next prime is 54103561. The reversal of 54103553 is 35530145.

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 54103553 - 2² = 54103549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54103853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3864533 + ... + 3864546.

It is an arithmetic number, because the mean of its divisors is an integer number (15458160).

Almost surely, 2^54103553 is an apocalyptic number.

It is an amenable number.

54103553 is a deficient number, since it is larger than the sum of its proper divisors (7729087).

54103553 is an equidigital number, since it uses as much as digits as its factorization.

54103553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7729086.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 54103553 is about 7355.5117429041. The cubic root of 54103553 is about 378.2177692196.

Adding to 54103553 its reverse (35530145), we get a palindrome (89633698).

The spelling of 54103553 in words is "fifty-four million, one hundred three thousand, five hundred fifty-three".