53742418 has 4 divisors (see below), whose sum is σ = 80613630. Its totient is φ = 26871208.

The previous prime is 53742397. The next prime is 53742427. The reversal of 53742418 is 81424735.

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

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 24830289 = 5377^2 + 4983^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435603 + ... + 13435606.

Almost surely, 2^53742418 is an apocalyptic number.

53742418 is a deficient number, since it is larger than the sum of its proper divisors (26871212).

53742418 is a wasteful number, since it uses less digits than its factorization.

53742418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26871211.

The product of its digits is 26880, while the sum is 34.

The square root of 53742418 is about 7330.9220429629. The cubic root of 53742418 is about 377.3743698441.

The spelling of 53742418 in words is "fifty-three million, seven hundred forty-two thousand, four hundred eighteen".