55349938 has 16 divisors (see below), whose sum is σ = 95316480. Its totient is φ = 23613696.

The previous prime is 55349933. The next prime is 55349947. The reversal of 55349938 is 83994355.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55349933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5743 + ... + 11986.

It is an arithmetic number, because the mean of its divisors is an integer number (5957280).

Almost surely, 2^55349938 is an apocalyptic number.

55349938 is a deficient number, since it is larger than the sum of its proper divisors (39966542).

55349938 is a wasteful number, since it uses less digits than its factorization.

55349938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17961.

The product of its digits is 583200, while the sum is 46.

The square root of 55349938 is about 7439.7538937790. The cubic root of 55349938 is about 381.1000855359.

The spelling of 55349938 in words is "fifty-five million, three hundred forty-nine thousand, nine hundred thirty-eight".