55056237 has 4 divisors (see below), whose sum is σ = 73408320. Its totient is φ = 36704156.

The previous prime is 55056233. The next prime is 55056257. The reversal of 55056237 is 73265055.

55056237 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55056237 - 2² = 55056233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55056198 and 55056207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55056233) 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 in 3 ways as a sum of consecutive naturals, for example, 9176037 + ... + 9176042.

It is an arithmetic number, because the mean of its divisors is an integer number (18352080).

Almost surely, 2^55056237 is an apocalyptic number.

It is an amenable number.

55056237 is a deficient number, since it is larger than the sum of its proper divisors (18352083).

55056237 is a wasteful number, since it uses less digits than its factorization.

55056237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18352082.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 55056237 is about 7419.9890161644. The cubic root of 55056237 is about 380.4248180681.

The spelling of 55056237 in words is "fifty-five million, fifty-six thousand, two hundred thirty-seven".