53424285 has 32 divisors (see below), whose sum is σ = 94452480. Its totient is φ = 25648128.

The previous prime is 53424281. The next prime is 53424311. The reversal of 53424285 is 58242435.

It is not a de Polignac number, because 53424285 - 2² = 53424281 is a prime.

It is a super-2 number, since 2×53424285² = 5708308455522450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1311 + ... + 10419.

It is an arithmetic number, because the mean of its divisors is an integer number (2951640).

Almost surely, 2^53424285 is an apocalyptic number.

It is an amenable number.

53424285 is a deficient number, since it is larger than the sum of its proper divisors (41028195).

53424285 is a wasteful number, since it uses less digits than its factorization.

53424285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9157.

The product of its digits is 38400, while the sum is 33.

The square root of 53424285 is about 7309.1918157892. The cubic root of 53424285 is about 376.6282620236.

The spelling of 53424285 in words is "fifty-three million, four hundred twenty-four thousand, two hundred eighty-five".