53274909 has 8 divisors (see below), whose sum is σ = 71106112. Its totient is φ = 35480160.

The previous prime is 53274869. The next prime is 53274913. The reversal of 53274909 is 90947235.

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

It is not a de Polignac number, because 53274909 - 2¹⁵ = 53242141 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 (53274919) 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, 5497 + ... + 11694.

It is an arithmetic number, because the mean of its divisors is an integer number (8888264).

Almost surely, 2^53274909 is an apocalyptic number.

It is an amenable number.

53274909 is a deficient number, since it is larger than the sum of its proper divisors (17831203).

53274909 is a wasteful number, since it uses less digits than its factorization.

53274909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18227.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 53274909 is about 7298.9662966752. The cubic root of 53274909 is about 376.2769128257.

The spelling of 53274909 in words is "fifty-three million, two hundred seventy-four thousand, nine hundred nine".