53022545 has 8 divisors (see below), whose sum is σ = 63671400. Its totient is φ = 42388480.

The previous prime is 53022539. The next prime is 53022547. The reversal of 53022545 is 54522035.

It can be written as a sum of positive squares in 4 ways, for example, as 17106496 + 35916049 = 4136^2 + 5993^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-53022545 is a prime.

It is a super-2 number, since 2×53022545² = 5622780556554050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53022547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7025 + ... + 12465.

It is an arithmetic number, because the mean of its divisors is an integer number (7958925).

Almost surely, 2^53022545 is an apocalyptic number.

It is an amenable number.

53022545 is a deficient number, since it is larger than the sum of its proper divisors (10648855).

53022545 is a wasteful number, since it uses less digits than its factorization.

53022545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7395.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 53022545 is about 7281.6581216094. The cubic root of 53022545 is about 375.6818291689.

The spelling of 53022545 in words is "fifty-three million, twenty-two thousand, five hundred forty-five".