55363138 has 8 divisors (see below), whose sum is σ = 83901132. Its totient is φ = 27396096.

The previous prime is 55363123. The next prime is 55363141. The reversal of 55363138 is 83136355.

It can be written as a sum of positive squares in 2 ways, for example, as 47651409 + 7711729 = 6903^2 + 2777^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 142495 + ... + 142882.

Almost surely, 2^55363138 is an apocalyptic number.

55363138 is a deficient number, since it is larger than the sum of its proper divisors (28537994).

55363138 is a wasteful number, since it uses less digits than its factorization.

55363138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285476.

The product of its digits is 32400, while the sum is 34.

The square root of 55363138 is about 7440.6409670135. The cubic root of 55363138 is about 381.1303783810.

The spelling of 55363138 in words is "fifty-five million, three hundred sixty-three thousand, one hundred thirty-eight".