55240738 has 24 divisors (see below), whose sum is σ = 97361244. Its totient is φ = 23436000.

The previous prime is 55240727. The next prime is 55240747. The reversal of 55240738 is 83704255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53100369 + 2140369 = 7287^2 + 1463^2 .

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 in 11 ways as a sum of consecutive naturals, for example, 7108 + ... + 12688.

Almost surely, 2^55240738 is an apocalyptic number.

55240738 is a deficient number, since it is larger than the sum of its proper divisors (42120506).

55240738 is a wasteful number, since it uses less digits than its factorization.

55240738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5691 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 55240738 is about 7432.4113180044. The cubic root of 55240738 is about 380.8492961700.

The spelling of 55240738 in words is "fifty-five million, two hundred forty thousand, seven hundred thirty-eight".