55254247 has 4 divisors (see below), whose sum is σ = 55790800. Its totient is φ = 54717696.

The previous prime is 55254217. The next prime is 55254253. The reversal of 55254247 is 74245255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55254247 - 2¹⁵ = 55221479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55254217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268122 + ... + 268327.

It is an arithmetic number, because the mean of its divisors is an integer number (13947700).

Almost surely, 2^55254247 is an apocalyptic number.

55254247 is a deficient number, since it is larger than the sum of its proper divisors (536553).

55254247 is a wasteful number, since it uses less digits than its factorization.

55254247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536552.

The product of its digits is 56000, while the sum is 34.

The square root of 55254247 is about 7433.3200523050. The cubic root of 55254247 is about 380.8803389233.

It can be divided in two parts, 5525 and 4247, that multiplied together give a triangular number (23464675 = T₆₈₅₀).

The spelling of 55254247 in words is "fifty-five million, two hundred fifty-four thousand, two hundred forty-seven".