45556557 has 4 divisors (see below), whose sum is σ = 60742080. Its totient is φ = 30371036.

The previous prime is 45556541. The next prime is 45556561. The reversal of 45556557 is 75565554.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45556557 - 2⁴ = 45556541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45556517) 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, 7592757 + ... + 7592762.

It is an arithmetic number, because the mean of its divisors is an integer number (15185520).

Almost surely, 2^45556557 is an apocalyptic number.

It is an amenable number.

45556557 is a deficient number, since it is larger than the sum of its proper divisors (15185523).

45556557 is a wasteful number, since it uses less digits than its factorization.

45556557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185522.

The product of its digits is 525000, while the sum is 42.

The square root of 45556557 is about 6749.5597634216. The cubic root of 45556557 is about 357.1497069239.

The spelling of 45556557 in words is "forty-five million, five hundred fifty-six thousand, five hundred fifty-seven".