53642555 has 32 divisors (see below), whose sum is σ = 71221248. Its totient is φ = 38649600.

The previous prime is 53642551. The next prime is 53642573. The reversal of 53642555 is 55524635.

53642555 = 713² + 714² + ... + 805².

53642555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53642555 - 2² = 53642551 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53642551) 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 31 ways as a sum of consecutive naturals, for example, 145982 + ... + 146348.

It is an arithmetic number, because the mean of its divisors is an integer number (2225664).

Almost surely, 2^53642555 is an apocalyptic number.

53642555 is a deficient number, since it is larger than the sum of its proper divisors (17578693).

53642555 is a wasteful number, since it uses less digits than its factorization.

53642555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467.

The product of its digits is 90000, while the sum is 35.

The square root of 53642555 is about 7324.1077954929. The cubic root of 53642555 is about 377.1404819489.

The spelling of 53642555 in words is "fifty-three million, six hundred forty-two thousand, five hundred fifty-five".