53474287 has 16 divisors (see below), whose sum is σ = 59185152. Its totient is φ = 48137760.

The previous prime is 53474263. The next prime is 53474293. The reversal of 53474287 is 78247435.

It is a cyclic number.

It is not a de Polignac number, because 53474287 - 2²³ = 45085679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53474387) 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, 25368 + ... + 27394.

It is an arithmetic number, because the mean of its divisors is an integer number (3699072).

Almost surely, 2^53474287 is an apocalyptic number.

53474287 is a deficient number, since it is larger than the sum of its proper divisors (5710865).

53474287 is a wasteful number, since it uses less digits than its factorization.

53474287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118.

The product of its digits is 188160, while the sum is 40.

The square root of 53474287 is about 7312.6115034234. The cubic root of 53474287 is about 376.7457260455.

It can be divided in two parts, 5347428 and 7, that added together give a palindrome (5347435).

The spelling of 53474287 in words is "fifty-three million, four hundred seventy-four thousand, two hundred eighty-seven".