53742254 has 4 divisors (see below), whose sum is σ = 80613384. Its totient is φ = 26871126.

The previous prime is 53742239. The next prime is 53742343. The reversal of 53742254 is 45224735.

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 53742254.

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, 13435562 + ... + 13435565.

It is an arithmetic number, because the mean of its divisors is an integer number (20153346).

Almost surely, 2^53742254 is an apocalyptic number.

53742254 is a deficient number, since it is larger than the sum of its proper divisors (26871130).

53742254 is a wasteful number, since it uses less digits than its factorization.

53742254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26871129.

The product of its digits is 33600, while the sum is 32.

The square root of 53742254 is about 7330.9108574583. The cubic root of 53742254 is about 377.3739859794.

Adding to 53742254 its reverse (45224735), we get a palindrome (98966989).

The spelling of 53742254 in words is "fifty-three million, seven hundred forty-two thousand, two hundred fifty-four".