45557547 has 16 divisors (see below), whose sum is σ = 69553920. Its totient is φ = 25983072.

The previous prime is 45557543. The next prime is 45557557. The reversal of 45557547 is 74575554.

It is a happy number.

It is not a de Polignac number, because 45557547 - 2² = 45557543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45557499 and 45557508.

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 15 ways as a sum of consecutive naturals, for example, 11104 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (4347120).

Almost surely, 2^45557547 is an apocalyptic number.

45557547 is a deficient number, since it is larger than the sum of its proper divisors (23996373).

45557547 is a wasteful number, since it uses less digits than its factorization.

45557547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162.

The product of its digits is 490000, while the sum is 42.

The square root of 45557547 is about 6749.6331011396. The cubic root of 45557547 is about 357.1522940059.

The spelling of 45557547 in words is "forty-five million, five hundred fifty-seven thousand, five hundred forty-seven".