53540905 has 32 divisors (see below), whose sum is σ = 74867328. Its totient is φ = 36326400.

The previous prime is 53540899. The next prime is 53540911. The reversal of 53540905 is 50904535.

It is an interprime number because it is at equal distance from previous prime (53540899) and next prime (53540911).

It is not a de Polignac number, because 53540905 - 2⁷ = 53540777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161590 + ... + 161920.

It is an arithmetic number, because the mean of its divisors is an integer number (2339604).

Almost surely, 2^53540905 is an apocalyptic number.

53540905 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53540905 is a deficient number, since it is larger than the sum of its proper divisors (21326423).

53540905 is a wasteful number, since it uses less digits than its factorization.

53540905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 53540905 is about 7317.1650931218. The cubic root of 53540905 is about 376.9021104379.

It can be divided in two parts, 53540 and 905, that added together give a palindrome (54445).

The spelling of 53540905 in words is "fifty-three million, five hundred forty thousand, nine hundred five".