52912928 has 24 divisors (see below), whose sum is σ = 105101388. Its totient is φ = 26220544.

The previous prime is 52912913. The next prime is 52912931. The reversal of 52912928 is 82921925.

It can be written as a sum of positive squares in 2 ways, for example, as 31494544 + 21418384 = 5612^2 + 4628^2 .

It is a super-3 number, since 3×52912928³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52912891 and 52912900.

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 3 ways as a sum of consecutive naturals, for example, 3701 + ... + 10932.

Almost surely, 2^52912928 is an apocalyptic number.

It is an amenable number.

52912928 is a deficient number, since it is larger than the sum of its proper divisors (52188460).

52912928 is a wasteful number, since it uses less digits than its factorization.

52912928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14756 (or 14748 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 52912928 is about 7274.1273016081. The cubic root of 52912928 is about 375.4227599590.

The spelling of 52912928 in words is "fifty-two million, nine hundred twelve thousand, nine hundred twenty-eight".