45640555 has 8 divisors (see below), whose sum is σ = 54830592. Its totient is φ = 36471168.

The previous prime is 45640477. The next prime is 45640559. The reversal of 45640555 is 55504654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45640555 - 2¹¹ = 45638507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45640555.

It is not an unprimeable number, because it can be changed into a prime (45640559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (6853824).

Almost surely, 2^45640555 is an apocalyptic number.

45640555 is a deficient number, since it is larger than the sum of its proper divisors (9190037).

45640555 is an equidigital number, since it uses as much as digits as its factorization.

45640555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 45640555 is about 6755.7793776884. The cubic root of 45640555 is about 357.3690785052.

The spelling of 45640555 in words is "forty-five million, six hundred forty thousand, five hundred fifty-five".