55006251 has 8 divisors (see below), whose sum is σ = 73433664. Its totient is φ = 36624840.

The previous prime is 55006249. The next prime is 55006277. The reversal of 55006251 is 15260055.

55006251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55006251 - 2¹ = 55006249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55006241) 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 7 ways as a sum of consecutive naturals, for example, 8605 + ... + 13566.

It is an arithmetic number, because the mean of its divisors is an integer number (9179208).

Almost surely, 2^55006251 is an apocalyptic number.

55006251 is a deficient number, since it is larger than the sum of its proper divisors (18427413).

55006251 is a wasteful number, since it uses less digits than its factorization.

55006251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23001.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55006251 is about 7416.6199174557. The cubic root of 55006251 is about 380.3096529581.

The spelling of 55006251 in words is "fifty-five million, six thousand, two hundred fifty-one".