52549956 has 72 divisors (see below), whose sum is σ = 137897760. Its totient is φ = 16861824.

The previous prime is 52549949. The next prime is 52549969. The reversal of 52549956 is 65994525.

It is a happy number.

52549956 is a `hidden beast` number, since 52 + 549 + 9 + 56 = 666.

It is a super-2 number, since 2×52549956² = 5522995751203872, which contains 22 as substring.

Its product of digits (486000) is a multiple of the sum of its prime divisors (540).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 128280 + ... + 128688.

Almost surely, 2^52549956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52549956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68948880).

52549956 is an abundant number, since it is smaller than the sum of its proper divisors (85347804).

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

52549956 is a wasteful number, since it uses less digits than its factorization.

52549956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545 (or 540 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 52549956 is about 7249.1348449315. The cubic root of 52549956 is about 374.5623480942.

The spelling of 52549956 in words is "fifty-two million, five hundred forty-nine thousand, nine hundred fifty-six".