45557503 has 4 divisors (see below), whose sum is σ = 47538288. Its totient is φ = 43576720.

The previous prime is 45557461. The next prime is 45557537. The reversal of 45557503 is 30575554.

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

It is a de Polignac number, because none of the positive numbers 2^k-45557503 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 (45557543) 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, 990358 + ... + 990403.

It is an arithmetic number, because the mean of its divisors is an integer number (11884572).

Almost surely, 2^45557503 is an apocalyptic number.

45557503 is a deficient number, since it is larger than the sum of its proper divisors (1980785).

45557503 is a wasteful number, since it uses less digits than its factorization.

45557503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980784.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 45557503 is about 6749.6298417024. The cubic root of 45557503 is about 357.1521790253.

The spelling of 45557503 in words is "forty-five million, five hundred fifty-seven thousand, five hundred three".