53904811 has 4 divisors (see below), whose sum is σ = 54438624. Its totient is φ = 53371000.

The previous prime is 53904787. The next prime is 53904821. The reversal of 53904811 is 11840935.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11840935 = 5 ⋅2368187.

It is a cyclic number.

It is not a de Polignac number, because 53904811 - 2⁵ = 53904779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53904821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266755 + ... + 266956.

It is an arithmetic number, because the mean of its divisors is an integer number (13609656).

Almost surely, 2^53904811 is an apocalyptic number.

53904811 is a deficient number, since it is larger than the sum of its proper divisors (533813).

53904811 is a wasteful number, since it uses less digits than its factorization.

53904811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533812.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 53904811 is about 7341.9895804884. The cubic root of 53904811 is about 377.7540905916.

It can be divided in two parts, 5390 and 4811, that added together give a palindrome (10201).

The spelling of 53904811 in words is "fifty-three million, nine hundred four thousand, eight hundred eleven".