52553985 has 32 divisors (see below), whose sum is σ = 92067840. Its totient is φ = 25387200.

The previous prime is 52553983. The next prime is 52553989. The reversal of 52553985 is 58935525.

It is not a de Polignac number, because 52553985 - 2¹ = 52553983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52553983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70746 + ... + 71484.

It is an arithmetic number, because the mean of its divisors is an integer number (2877120).

Almost surely, 2^52553985 is an apocalyptic number.

52553985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52553985 is a deficient number, since it is larger than the sum of its proper divisors (39513855).

52553985 is a wasteful number, since it uses less digits than its factorization.

52553985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189.

The product of its digits is 270000, while the sum is 42.

The square root of 52553985 is about 7249.4127348358. The cubic root of 52553985 is about 374.5719204025.

The spelling of 52553985 in words is "fifty-two million, five hundred fifty-three thousand, nine hundred eighty-five".