55650239 has 8 divisors (see below), whose sum is σ = 58389120. Its totient is φ = 52970400.

The previous prime is 55650233. The next prime is 55650247. The reversal of 55650239 is 93205655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55650239 is a prime.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 55650199 and 55650208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55650233) 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, 12824 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (7298640).

Almost surely, 2^55650239 is an apocalyptic number.

55650239 is a deficient number, since it is larger than the sum of its proper divisors (2738881).

55650239 is a wasteful number, since it uses less digits than its factorization.

55650239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29521.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 55650239 is about 7459.9087796031. The cubic root of 55650239 is about 381.7880621280.

The spelling of 55650239 in words is "fifty-five million, six hundred fifty thousand, two hundred thirty-nine".