52117700 has 18 divisors (see below), whose sum is σ = 113095626. Its totient is φ = 20847040.

The previous prime is 52117687. The next prime is 52117711. The reversal of 52117700 is 771125.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 10023556 + 42094144 = 3166^2 + 6488^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260489 + ... + 260688.

Almost surely, 2^52117700 is an apocalyptic number.

52117700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52117700 is an abundant number, since it is smaller than the sum of its proper divisors (60977926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52117700 is a wasteful number, since it uses less digits than its factorization.

52117700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521191 (or 521184 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 52117700 is about 7219.2589647415. The cubic root of 52117700 is about 373.5325166565.

Adding to 52117700 its reverse (771125), we get a palindrome (52888825).

The spelling of 52117700 in words is "fifty-two million, one hundred seventeen thousand, seven hundred".