55547303 has 16 divisors (see below), whose sum is σ = 64707840. Its totient is φ = 46702656.

The previous prime is 55547299. The next prime is 55547363. The reversal of 55547303 is 30374555.

It is not a de Polignac number, because 55547303 - 2² = 55547299 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55547303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55547363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101276 + ... + 101822.

It is an arithmetic number, because the mean of its divisors is an integer number (4044240).

Almost surely, 2^55547303 is an apocalyptic number.

55547303 is a deficient number, since it is larger than the sum of its proper divisors (9160537).

55547303 is a wasteful number, since it uses less digits than its factorization.

55547303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 55547303 is about 7453.0063061828. The cubic root of 55547303 is about 381.5525196131.

The spelling of 55547303 in words is "fifty-five million, five hundred forty-seven thousand, three hundred three".