53940454 has 4 divisors (see below), whose sum is σ = 80910684. Its totient is φ = 26970226.

The previous prime is 53940433. The next prime is 53940457. The reversal of 53940454 is 45404935.

It is a happy number.

53940454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×53940454² = 5819145155452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53940457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13485112 + ... + 13485115.

It is an arithmetic number, because the mean of its divisors is an integer number (20227671).

Almost surely, 2^53940454 is an apocalyptic number.

53940454 is a deficient number, since it is larger than the sum of its proper divisors (26970230).

53940454 is a wasteful number, since it uses less digits than its factorization.

53940454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26970229.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 53940454 is about 7344.4165186896. The cubic root of 53940454 is about 377.8373319094.

The spelling of 53940454 in words is "fifty-three million, nine hundred forty thousand, four hundred fifty-four".