52021276 has 6 divisors (see below), whose sum is σ = 91037240. Its totient is φ = 26010636.

The previous prime is 52021261. The next prime is 52021313. The reversal of 52021276 is 67212025.

It is a self number, because there is not a number n which added to its sum of digits gives 52021276.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6502656 + ... + 6502663.

Almost surely, 2^52021276 is an apocalyptic number.

It is an amenable number.

52021276 is a deficient number, since it is larger than the sum of its proper divisors (39015964).

52021276 is a wasteful number, since it uses less digits than its factorization.

52021276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13005323 (or 13005321 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52021276 is about 7212.5776252322. The cubic root of 52021276 is about 373.3020144504.

The spelling of 52021276 in words is "fifty-two million, twenty-one thousand, two hundred seventy-six".