55049371 has 8 divisors (see below), whose sum is σ = 59445680. Its totient is φ = 50676192.

The previous prime is 55049363. The next prime is 55049387. The reversal of 55049371 is 17394055.

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 55049371 - 2³ = 55049363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55049321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 660 + ... + 10513.

It is an arithmetic number, because the mean of its divisors is an integer number (7430710).

Almost surely, 2^55049371 is an apocalyptic number.

55049371 is a deficient number, since it is larger than the sum of its proper divisors (4396309).

55049371 is a wasteful number, since it uses less digits than its factorization.

55049371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 55049371 is about 7419.5263325902. The cubic root of 55049371 is about 380.4090032968.

It can be divided in two parts, 550493 and 71, that added together give a square (550564 = 742²).

The spelling of 55049371 in words is "fifty-five million, forty-nine thousand, three hundred seventy-one".