55503075 has 12 divisors (see below), whose sum is σ = 91765208. Its totient is φ = 29601600.

The previous prime is 55503059. The next prime is 55503083. The reversal of 55503075 is 57030555.

It is not a de Polignac number, because 55503075 - 2⁴ = 55503059 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369946 + ... + 370095.

Almost surely, 2^55503075 is an apocalyptic number.

55503075 is a deficient number, since it is larger than the sum of its proper divisors (36262133).

55503075 is a wasteful number, since it uses less digits than its factorization.

55503075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740054 (or 740049 counting only the distinct ones).

The product of its (nonzero) digits is 13125, while the sum is 30.

The square root of 55503075 is about 7450.0385905041. The cubic root of 55503075 is about 381.4512258524.

The spelling of 55503075 in words is "fifty-five million, five hundred three thousand, seventy-five".