53440054 has 4 divisors (see below), whose sum is σ = 80160084. Its totient is φ = 26720026.

The previous prime is 53440031. The next prime is 53440091. The reversal of 53440054 is 45004435.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13360012 + ... + 13360015.

It is an arithmetic number, because the mean of its divisors is an integer number (20040021).

Almost surely, 2^53440054 is an apocalyptic number.

53440054 is a deficient number, since it is larger than the sum of its proper divisors (26720030).

53440054 is a wasteful number, since it uses less digits than its factorization.

53440054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26720029.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53440054 is about 7310.2704464336. The cubic root of 53440054 is about 376.6653142545.

Adding to 53440054 its reverse (45004435), we get a palindrome (98444489).

The spelling of 53440054 in words is "fifty-three million, four hundred forty thousand, fifty-four".