55736042 has 8 divisors (see below), whose sum is σ = 84432132. Its totient is φ = 27592000.

The previous prime is 55736039. The next prime is 55736053. The reversal of 55736042 is 24063755.

It can be written as a sum of positive squares in 2 ways, for example, as 48288601 + 7447441 = 6949^2 + 2729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137759 + ... + 138162.

Almost surely, 2^55736042 is an apocalyptic number.

55736042 is a deficient number, since it is larger than the sum of its proper divisors (28696090).

55736042 is a wasteful number, since it uses less digits than its factorization.

55736042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276024.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 55736042 is about 7465.6575062080. The cubic root of 55736042 is about 381.9841783237.

Adding to 55736042 its reverse (24063755), we get a palindrome (79799797).

The spelling of 55736042 in words is "fifty-five million, seven hundred thirty-six thousand, forty-two".