55939073 has 4 divisors (see below), whose sum is σ = 55962288. Its totient is φ = 55915860.

The previous prime is 55939067. The next prime is 55939109. The reversal of 55939073 is 37093955.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37093955 = 5 ⋅7418791.

It is a cyclic number.

It is not a de Polignac number, because 55939073 - 2¹⁶ = 55873537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55939073.

It is not an unprimeable number, because it can be changed into a prime (55939063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7511 + ... + 12972.

It is an arithmetic number, because the mean of its divisors is an integer number (13990572).

Almost surely, 2^55939073 is an apocalyptic number.

It is an amenable number.

55939073 is a deficient number, since it is larger than the sum of its proper divisors (23215).

55939073 is a wasteful number, since it uses less digits than its factorization.

55939073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23214.

The product of its (nonzero) digits is 127575, while the sum is 41.

The square root of 55939073 is about 7479.2428092689. The cubic root of 55939073 is about 382.4474372074.

The spelling of 55939073 in words is "fifty-five million, nine hundred thirty-nine thousand, seventy-three".