55249097 has 4 divisors (see below), whose sum is σ = 55785600. Its totient is φ = 54712596.

The previous prime is 55249091. The next prime is 55249123. The reversal of 55249097 is 79094255.

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 55249097 - 2⁸ = 55248841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55249091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268097 + ... + 268302.

It is an arithmetic number, because the mean of its divisors is an integer number (13946400).

Almost surely, 2^55249097 is an apocalyptic number.

It is an amenable number.

55249097 is a deficient number, since it is larger than the sum of its proper divisors (536503).

55249097 is a wasteful number, since it uses less digits than its factorization.

55249097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536502.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 55249097 is about 7432.9736310578. The cubic root of 55249097 is about 380.8685051742.

The spelling of 55249097 in words is "fifty-five million, two hundred forty-nine thousand, ninety-seven".