52711428 has 48 divisors (see below), whose sum is σ = 153345024. Its totient is φ = 13691040.

The previous prime is 52711411. The next prime is 52711459. The reversal of 52711428 is 82411725.

It is a junction number, because it is equal to n+sod(n) for n = 52711395 and 52711404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27600 + ... + 29447.

It is an arithmetic number, because the mean of its divisors is an integer number (3194688).

Almost surely, 2^52711428 is an apocalyptic number.

It is an amenable number.

52711428 is an abundant number, since it is smaller than the sum of its proper divisors (100633596).

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

52711428 is a wasteful number, since it uses less digits than its factorization.

52711428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57072 (or 57070 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 52711428 is about 7260.2636315770. The cubic root of 52711428 is about 374.9455992196.

The spelling of 52711428 in words is "fifty-two million, seven hundred eleven thousand, four hundred twenty-eight".