53322145 has 8 divisors (see below), whose sum is σ = 64039680. Its totient is φ = 42622320.

The previous prime is 53322133. The next prime is 53322163. The reversal of 53322145 is 54122335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53322145 - 2¹⁵ = 53289377 is a prime.

It is a super-2 number, since 2×53322145² = 5686502294802050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3490 + ... + 10900.

It is an arithmetic number, because the mean of its divisors is an integer number (8004960).

Almost surely, 2^53322145 is an apocalyptic number.

It is an amenable number.

53322145 is a deficient number, since it is larger than the sum of its proper divisors (10717535).

53322145 is a wasteful number, since it uses less digits than its factorization.

53322145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8855.

The product of its digits is 3600, while the sum is 25.

The square root of 53322145 is about 7302.2013804058. The cubic root of 53322145 is about 376.3880881497.

The spelling of 53322145 in words is "fifty-three million, three hundred twenty-two thousand, one hundred forty-five".