475551503 has 4 divisors (see below), whose sum is σ = 543487440. Its totient is φ = 407615568.

The previous prime is 475551463. The next prime is 475551509. The reversal of 475551503 is 305155574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 475551503 - 2¹⁴ = 475535119 is a prime.

It is a super-2 number, since 2×475551503² = 452298464011118018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (475551509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33967958 + ... + 33967971.

It is an arithmetic number, because the mean of its divisors is an integer number (135871860).

Almost surely, 2^475551503 is an apocalyptic number.

475551503 is a deficient number, since it is larger than the sum of its proper divisors (67935937).

475551503 is an equidigital number, since it uses as much as digits as its factorization.

475551503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67935936.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 475551503 is about 21807.1433938515. The cubic root of 475551503 is about 780.5472288522.

The spelling of 475551503 in words is "four hundred seventy-five million, five hundred fifty-one thousand, five hundred three".