53344545 has 16 divisors (see below), whose sum is σ = 85546752. Its totient is φ = 28385280.

The previous prime is 53344541. The next prime is 53344547. The reversal of 53344545 is 54544335.

It is not a de Polignac number, because 53344545 - 2² = 53344541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53344541) 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, 3105 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (5346672).

Almost surely, 2^53344545 is an apocalyptic number.

It is an amenable number.

53344545 is a deficient number, since it is larger than the sum of its proper divisors (32202207).

53344545 is a wasteful number, since it uses less digits than its factorization.

53344545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152.

The product of its digits is 72000, while the sum is 33.

The square root of 53344545 is about 7303.7350034075. The cubic root of 53344545 is about 376.4407861600.

The spelling of 53344545 in words is "fifty-three million, three hundred forty-four thousand, five hundred forty-five".