53494215 has 16 divisors (see below), whose sum is σ = 90096000. Its totient is φ = 27028512.

The previous prime is 53494211. The next prime is 53494219. The reversal of 53494215 is 51249435.

It is an interprime number because it is at equal distance from previous prime (53494211) and next prime (53494219).

It is not a de Polignac number, because 53494215 - 2² = 53494211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53494211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93565 + ... + 94134.

It is an arithmetic number, because the mean of its divisors is an integer number (5631000).

Almost surely, 2^53494215 is an apocalyptic number.

53494215 is a deficient number, since it is larger than the sum of its proper divisors (36601785).

53494215 is a wasteful number, since it uses less digits than its factorization.

53494215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187726.

The product of its digits is 21600, while the sum is 33.

The square root of 53494215 is about 7313.9739540143. The cubic root of 53494215 is about 376.7925202265.

It can be divided in two parts, 534 and 94215, that added together give a palindrome (94749).

The spelling of 53494215 in words is "fifty-three million, four hundred ninety-four thousand, two hundred fifteen".