52485820 has 12 divisors (see below), whose sum is σ = 110220264. Its totient is φ = 20994320.

The previous prime is 52485799. The next prime is 52485833. The reversal of 52485820 is 2858425.

It is a super-2 number, since 2×52485820² = 5509522602144800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312126 + ... + 1312165.

It is an arithmetic number, because the mean of its divisors is an integer number (9185022).

Almost surely, 2^52485820 is an apocalyptic number.

It is an amenable number.

52485820 is an abundant number, since it is smaller than the sum of its proper divisors (57734444).

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

52485820 is a wasteful number, since it uses less digits than its factorization.

52485820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624300 (or 2624298 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 52485820 is about 7244.7097940497. The cubic root of 52485820 is about 374.4099045125.

The spelling of 52485820 in words is "fifty-two million, four hundred eighty-five thousand, eight hundred twenty".