52217536 has 42 divisors (see below), whose sum is σ = 120543828. Its totient is φ = 22377600.

The previous prime is 52217533. The next prime is 52217549. The reversal of 52217536 is 63571225.

It is a super-2 number, since 2×52217536² = 5453342131822592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52217498 and 52217507.

It is not an unprimeable number, because it can be changed into a prime (52217531) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5190 + ... + 11461.

Almost surely, 2^52217536 is an apocalyptic number.

52217536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52217536 is an abundant number, since it is smaller than the sum of its proper divisors (68326292).

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

52217536 is a wasteful number, since it uses less digits than its factorization.

52217536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16677 (or 16660 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 52217536 is about 7226.1702166500. The cubic root of 52217536 is about 373.7708758935.

The spelling of 52217536 in words is "fifty-two million, two hundred seventeen thousand, five hundred thirty-six".