53453534 has 4 divisors (see below), whose sum is σ = 80180304. Its totient is φ = 26726766.

The previous prime is 53453513. The next prime is 53453537. The reversal of 53453534 is 43535435.

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 53453534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53453537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13363382 + ... + 13363385.

It is an arithmetic number, because the mean of its divisors is an integer number (20045076).

Almost surely, 2^53453534 is an apocalyptic number.

53453534 is a deficient number, since it is larger than the sum of its proper divisors (26726770).

53453534 is a wasteful number, since it uses less digits than its factorization.

53453534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26726769.

The product of its digits is 54000, while the sum is 32.

The square root of 53453534 is about 7311.1923788121. The cubic root of 53453534 is about 376.6969822713.

Adding to 53453534 its reverse (43535435), we get a palindrome (96988969).

The spelling of 53453534 in words is "fifty-three million, four hundred fifty-three thousand, five hundred thirty-four".