53540454 has 32 divisors (see below), whose sum is σ = 117582336. Its totient is φ = 16117920.

The previous prime is 53540413. The next prime is 53540471. The reversal of 53540454 is 45404535.

It is a super-2 number, since 2×53540454² = 5733160429052232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7779 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (3674448).

Almost surely, 2^53540454 is an apocalyptic number.

53540454 is an abundant number, since it is smaller than the sum of its proper divisors (64041882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53540454 is a wasteful number, since it uses less digits than its factorization.

53540454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5340.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 53540454 is about 7317.1342751107. The cubic root of 53540454 is about 376.9010521609.

Adding to 53540454 its reverse (45404535), we get a palindrome (98944989).

The spelling of 53540454 in words is "fifty-three million, five hundred forty thousand, four hundred fifty-four".