52769428 has 24 divisors (see below), whose sum is σ = 100058112. Its totient is φ = 24253824.

The previous prime is 52769413. The next prime is 52769443. The reversal of 52769428 is 82496725.

It is an interprime number because it is at equal distance from previous prime (52769413) and next prime (52769443).

It is a super-2 number, since 2×52769428² = 5569225062894368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

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 in 7 ways as a sum of consecutive naturals, for example, 6100 + ... + 11947.

It is an arithmetic number, because the mean of its divisors is an integer number (4169088).

Almost surely, 2^52769428 is an apocalyptic number.

It is an amenable number.

52769428 is a deficient number, since it is larger than the sum of its proper divisors (47288684).

52769428 is a wasteful number, since it uses less digits than its factorization.

52769428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18111 (or 18109 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 52769428 is about 7264.2568787179. The cubic root of 52769428 is about 375.0830701895.

The spelling of 52769428 in words is "fifty-two million, seven hundred sixty-nine thousand, four hundred twenty-eight".