45355561 has 8 divisors (see below), whose sum is σ = 45883040. Its totient is φ = 44831232.

The previous prime is 45355543. The next prime is 45355571. The reversal of 45355561 is 16555354.

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 45355561 - 2⁵ = 45355529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45355571) 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, 38761 + ... + 39913.

It is an arithmetic number, because the mean of its divisors is an integer number (5735380).

Almost surely, 2^45355561 is an apocalyptic number.

It is an amenable number.

45355561 is a deficient number, since it is larger than the sum of its proper divisors (527479).

45355561 is a wasteful number, since it uses less digits than its factorization.

45355561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575.

The product of its digits is 45000, while the sum is 34.

The square root of 45355561 is about 6734.6537401711. The cubic root of 45355561 is about 356.6236831577.

The spelling of 45355561 in words is "forty-five million, three hundred fifty-five thousand, five hundred sixty-one".