53105288 has 16 divisors (see below), whose sum is σ = 100014480. Its totient is φ = 26434768.

The previous prime is 53105287. The next prime is 53105333. The reversal of 53105288 is 88250135.

It is a happy number.

It is a super-2 number, since 2×53105288² = 5640343227125888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53105281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12806 + ... + 16437.

It is an arithmetic number, because the mean of its divisors is an integer number (6250905).

Almost surely, 2^53105288 is an apocalyptic number.

It is an amenable number.

53105288 is a deficient number, since it is larger than the sum of its proper divisors (46909192).

53105288 is a wasteful number, since it uses less digits than its factorization.

53105288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29476 (or 29472 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 53105288 is about 7287.3375110530. The cubic root of 53105288 is about 375.8771478831.

The spelling of 53105288 in words is "fifty-three million, one hundred five thousand, two hundred eighty-eight".