45055777 has 8 divisors (see below), whose sum is σ = 49437864. Its totient is φ = 40804608.

The previous prime is 45055771. The next prime is 45055793. The reversal of 45055777 is 77755054.

It can be written as a sum of positive squares in 4 ways, for example, as 553536 + 44502241 = 744^2 + 6671^2 .

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

It is not a de Polignac number, because 45055777 - 2⁷ = 45055649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45055771) 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, 32008 + ... + 33385.

It is an arithmetic number, because the mean of its divisors is an integer number (6179733).

Almost surely, 2^45055777 is an apocalyptic number.

It is an amenable number.

45055777 is a deficient number, since it is larger than the sum of its proper divisors (4382087).

45055777 is a wasteful number, since it uses less digits than its factorization.

45055777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65459.

The product of its (nonzero) digits is 171500, while the sum is 40.

The square root of 45055777 is about 6712.3600171624. The cubic root of 45055777 is about 355.8362274310.

The spelling of 45055777 in words is "forty-five million, fifty-five thousand, seven hundred seventy-seven".