55275771 has 8 divisors (see below), whose sum is σ = 74108944. Its totient is φ = 36646560.

The previous prime is 55275757. The next prime is 55275793. The reversal of 55275771 is 17757255.

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

It is not a de Polignac number, because 55275771 - 2¹¹ = 55273723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55275071) 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, 50356 + ... + 51441.

It is an arithmetic number, because the mean of its divisors is an integer number (9263618).

Almost surely, 2^55275771 is an apocalyptic number.

55275771 is a deficient number, since it is larger than the sum of its proper divisors (18833173).

55275771 is a wasteful number, since it uses less digits than its factorization.

55275771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101981.

The product of its digits is 85750, while the sum is 39.

The square root of 55275771 is about 7434.7677166136. The cubic root of 55275771 is about 380.9297891441.

The spelling of 55275771 in words is "fifty-five million, two hundred seventy-five thousand, seven hundred seventy-one".