53229345 has 16 divisors (see below), whose sum is σ = 91718592. Its totient is φ = 26205120.

The previous prime is 53229307. The next prime is 53229349. The reversal of 53229345 is 54392235.

It is not a de Polignac number, because 53229345 - 2²³ = 44840737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53229349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136291 + ... + 136680.

It is an arithmetic number, because the mean of its divisors is an integer number (5732412).

Almost surely, 2^53229345 is an apocalyptic number.

It is an amenable number.

53229345 is a deficient number, since it is larger than the sum of its proper divisors (38489247).

53229345 is a wasteful number, since it uses less digits than its factorization.

53229345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272992.

The product of its digits is 32400, while the sum is 33.

The square root of 53229345 is about 7295.8443651164. The cubic root of 53229345 is about 376.1696104599.

The spelling of 53229345 in words is "fifty-three million, two hundred twenty-nine thousand, three hundred forty-five".