53550045 has 16 divisors (see below), whose sum is σ = 95200320. Its totient is φ = 28559952.

The previous prime is 53550041. The next prime is 53550067. The reversal of 53550045 is 54005535.

It is not a de Polignac number, because 53550045 - 2² = 53550041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53550041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198199 + ... + 198468.

It is an arithmetic number, because the mean of its divisors is an integer number (5950020).

Almost surely, 2^53550045 is an apocalyptic number.

It is an amenable number.

53550045 is a deficient number, since it is larger than the sum of its proper divisors (41650275).

53550045 is a wasteful number, since it uses less digits than its factorization.

53550045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396681 (or 396675 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 53550045 is about 7317.7896252899. The cubic root of 53550045 is about 376.9235562794.

The spelling of 53550045 in words is "fifty-three million, five hundred fifty thousand, forty-five".