55864738 has 4 divisors (see below), whose sum is σ = 83797110. Its totient is φ = 27932368.

The previous prime is 55864733. The next prime is 55864741. The reversal of 55864738 is 83746855.

55864738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83746855 = 5 ⋅16749371.

It can be written as a sum of positive squares in only one way, i.e., 55398249 + 466489 = 7443^2 + 683^2 .

It is not an unprimeable number, because it can be changed into a prime (55864733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13966183 + ... + 13966186.

Almost surely, 2^55864738 is an apocalyptic number.

55864738 is a deficient number, since it is larger than the sum of its proper divisors (27932372).

55864738 is a wasteful number, since it uses less digits than its factorization.

55864738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27932371.

The product of its digits is 806400, while the sum is 46.

The square root of 55864738 is about 7474.2717370992. The cubic root of 55864738 is about 382.2779561940.

The spelling of 55864738 in words is "fifty-five million, eight hundred sixty-four thousand, seven hundred thirty-eight".