45550004 has 12 divisors (see below), whose sum is σ = 84401604. Its totient is φ = 21435264.

The previous prime is 45549983. The next prime is 45550009. The reversal of 45550004 is 40005554.

45550004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42120100 + 3429904 = 6490^2 + 1852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45550009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334859 + ... + 334994.

It is an arithmetic number, because the mean of its divisors is an integer number (7033467).

Almost surely, 2^45550004 is an apocalyptic number.

It is an amenable number.

45550004 is a deficient number, since it is larger than the sum of its proper divisors (38851600).

45550004 is a wasteful number, since it uses less digits than its factorization.

45550004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669874 (or 669872 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 45550004 is about 6749.0743068957. The cubic root of 45550004 is about 357.1325815863.

Adding to 45550004 its reverse (40005554), we get a palindrome (85555558).

The spelling of 45550004 in words is "forty-five million, five hundred fifty thousand, four".