53550345 has 16 divisors (see below), whose sum is σ = 86230080. Its totient is φ = 28377024.

The previous prime is 53550331. The next prime is 53550377. The reversal of 53550345 is 54305535.

It is not a de Polignac number, because 53550345 - 2⁶ = 53550281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9015 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (5389380).

Almost surely, 2^53550345 is an apocalyptic number.

It is an amenable number.

53550345 is a deficient number, since it is larger than the sum of its proper divisors (32679735).

53550345 is a wasteful number, since it uses less digits than its factorization.

53550345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22904.

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 53550345 is about 7317.8101232541. The cubic root of 53550345 is about 376.9242601496.

The spelling of 53550345 in words is "fifty-three million, five hundred fifty thousand, three hundred forty-five".