52878268 has 6 divisors (see below), whose sum is σ = 92536976. Its totient is φ = 26439132.

The previous prime is 52878257. The next prime is 52878269. The reversal of 52878268 is 86287825.

It is a happy number.

It is a super-2 number, since 2×52878268² = 5592222453359648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52878269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6609780 + ... + 6609787.

Almost surely, 2^52878268 is an apocalyptic number.

It is an amenable number.

52878268 is a deficient number, since it is larger than the sum of its proper divisors (39658708).

52878268 is a wasteful number, since it uses less digits than its factorization.

52878268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219571 (or 13219569 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 52878268 is about 7271.7444949613. The cubic root of 52878268 is about 375.3407699455.

The spelling of 52878268 in words is "fifty-two million, eight hundred seventy-eight thousand, two hundred sixty-eight".