55512903 has 8 divisors (see below), whose sum is σ = 74070400. Its totient is φ = 36982008.

The previous prime is 55512901. The next prime is 55512911. The reversal of 55512903 is 30921555.

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

It is not a de Polignac number, because 55512903 - 2¹ = 55512901 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 (55512901) 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, 1123 + ... + 10596.

It is an arithmetic number, because the mean of its divisors is an integer number (9258800).

Almost surely, 2^55512903 is an apocalyptic number.

55512903 is a deficient number, since it is larger than the sum of its proper divisors (18557497).

55512903 is a wasteful number, since it uses less digits than its factorization.

55512903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13301.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 55512903 is about 7450.6981552067. The cubic root of 55512903 is about 381.4737392080.

The spelling of 55512903 in words is "fifty-five million, five hundred twelve thousand, nine hundred three".