55436249 has 8 divisors (see below), whose sum is σ = 62110848. Its totient is φ = 49034160.

The previous prime is 55436237. The next prime is 55436257. The reversal of 55436249 is 94263455.

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

It is a cyclic number.

It is not a de Polignac number, because 55436249 - 2⁸ = 55435993 is a prime.

It is a super-3 number, since 3×55436249³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55436209) 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, 67697 + ... + 68510.

It is an arithmetic number, because the mean of its divisors is an integer number (7763856).

Almost surely, 2^55436249 is an apocalyptic number.

It is an amenable number.

55436249 is a deficient number, since it is larger than the sum of its proper divisors (6674599).

55436249 is a wasteful number, since it uses less digits than its factorization.

55436249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136255.

The product of its digits is 129600, while the sum is 38.

The square root of 55436249 is about 7445.5522965056. The cubic root of 55436249 is about 381.2980745970.

The spelling of 55436249 in words is "fifty-five million, four hundred thirty-six thousand, two hundred forty-nine".