55302503 has 8 divisors (see below), whose sum is σ = 56583360. Its totient is φ = 54026080.

The previous prime is 55302493. The next prime is 55302517. The reversal of 55302503 is 30520355.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55302503 - 2¹⁰ = 55301479 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 (55302523) 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, 49313 + ... + 50421.

It is an arithmetic number, because the mean of its divisors is an integer number (7072920).

Almost surely, 2^55302503 is an apocalyptic number.

55302503 is a deficient number, since it is larger than the sum of its proper divisors (1280857).

55302503 is a wasteful number, since it uses less digits than its factorization.

55302503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217.

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 55302503 is about 7436.5652689935. The cubic root of 55302503 is about 380.9911865933.

Adding to 55302503 its reverse (30520355), we get a palindrome (85822858).

The spelling of 55302503 in words is "fifty-five million, three hundred two thousand, five hundred three".