55545045 has 16 divisors (see below), whose sum is σ = 89232192. Its totient is φ = 29504000.

The previous prime is 55545031. The next prime is 55545067. The reversal of 55545045 is 54054555.

It is not a de Polignac number, because 55545045 - 2¹¹ = 55542997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55544997 and 55545015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3612 + ... + 11141.

It is an arithmetic number, because the mean of its divisors is an integer number (5577012).

Almost surely, 2^55545045 is an apocalyptic number.

It is an amenable number.

55545045 is a deficient number, since it is larger than the sum of its proper divisors (33687147).

55545045 is a wasteful number, since it uses less digits than its factorization.

55545045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15012.

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 55545045 is about 7452.8548221470. The cubic root of 55545045 is about 381.5473495015.

The spelling of 55545045 in words is "fifty-five million, five hundred forty-five thousand, forty-five".