52891248 has 20 divisors (see below), whose sum is σ = 136635848. Its totient is φ = 17630400.

The previous prime is 52891243. The next prime is 52891249. The reversal of 52891248 is 84219825.

It is a super-2 number, since 2×52891248² = 5594968229995008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52891243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550903 + ... + 550998.

Almost surely, 2^52891248 is an apocalyptic number.

It is an amenable number.

52891248 is an abundant number, since it is smaller than the sum of its proper divisors (83744600).

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

52891248 is a wasteful number, since it uses less digits than its factorization.

52891248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101912 (or 1101906 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 52891248 is about 7272.6369358026. The cubic root of 52891248 is about 375.3714789985.

The spelling of 52891248 in words is "fifty-two million, eight hundred ninety-one thousand, two hundred forty-eight".