53939045 has 8 divisors (see below), whose sum is σ = 68534424. Its totient is φ = 40612864.

The previous prime is 53939029. The next prime is 53939047. The reversal of 53939045 is 54093935.

It can be written as a sum of positive squares in 4 ways, for example, as 29008996 + 24930049 = 5386^2 + 4993^2 .

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

It is not a de Polignac number, because 53939045 - 2⁴ = 53939029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53939047) 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, 317204 + ... + 317373.

It is an arithmetic number, because the mean of its divisors is an integer number (8566803).

Almost surely, 2^53939045 is an apocalyptic number.

It is an amenable number.

53939045 is a deficient number, since it is larger than the sum of its proper divisors (14595379).

53939045 is a wasteful number, since it uses less digits than its factorization.

53939045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634599.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 53939045 is about 7344.3205948542. The cubic root of 53939045 is about 377.8340420012.

The spelling of 53939045 in words is "fifty-three million, nine hundred thirty-nine thousand, forty-five".