45055651 has 4 divisors (see below), whose sum is σ = 45087400. Its totient is φ = 45023904.

The previous prime is 45055649. The next prime is 45055687. The reversal of 45055651 is 15655054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15655054 = 2 ⋅7827527.

It is a cyclic number.

It is not a de Polignac number, because 45055651 - 2¹ = 45055649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45055051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13641 + ... + 16618.

It is an arithmetic number, because the mean of its divisors is an integer number (11271850).

Almost surely, 2^45055651 is an apocalyptic number.

45055651 is a deficient number, since it is larger than the sum of its proper divisors (31749).

45055651 is a wasteful number, since it uses less digits than its factorization.

45055651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 45055651 is about 6712.3506314852. The cubic root of 45055651 is about 355.8358957280.

The spelling of 45055651 in words is "forty-five million, fifty-five thousand, six hundred fifty-one".