53404462 has 4 divisors (see below), whose sum is σ = 80106696. Its totient is φ = 26702230.

The previous prime is 53404447. The next prime is 53404469. The reversal of 53404462 is 26440435.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53404462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13351114 + ... + 13351117.

It is an arithmetic number, because the mean of its divisors is an integer number (20026674).

Almost surely, 2^53404462 is an apocalyptic number.

53404462 is a deficient number, since it is larger than the sum of its proper divisors (26702234).

53404462 is a wasteful number, since it uses less digits than its factorization.

53404462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26702233.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 53404462 is about 7307.8356577033. The cubic root of 53404462 is about 376.5816738123.

Adding to 53404462 its reverse (26440435), we get a palindrome (79844897).

The spelling of 53404462 in words is "fifty-three million, four hundred four thousand, four hundred sixty-two".