53853428 has 6 divisors (see below), whose sum is σ = 94243506. Its totient is φ = 26926712.

The previous prime is 53853379. The next prime is 53853469. The reversal of 53853428 is 82435835.

It can be written as a sum of positive squares in only one way, i.e., 53553124 + 300304 = 7318^2 + 548^2 .

It is a super-4 number, since 4×53853428⁴ (a number of 32 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53853391 and 53853400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731675 + ... + 6731682.

It is an arithmetic number, because the mean of its divisors is an integer number (15707251).

Almost surely, 2^53853428 is an apocalyptic number.

It is an amenable number.

53853428 is a deficient number, since it is larger than the sum of its proper divisors (40390078).

53853428 is a wasteful number, since it uses less digits than its factorization.

53853428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463361 (or 13463359 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 53853428 is about 7338.4894903515. The cubic root of 53853428 is about 377.6340251855.

The spelling of 53853428 in words is "fifty-three million, eight hundred fifty-three thousand, four hundred twenty-eight".