55342775 has 6 divisors (see below), whose sum is σ = 68625072. Its totient is φ = 44274200.

The previous prime is 55342757. The next prime is 55342783. The reversal of 55342775 is 57724355.

It is not a de Polignac number, because 55342775 - 2⁸ = 55342519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1106831 + ... + 1106880.

It is an arithmetic number, because the mean of its divisors is an integer number (11437512).

Almost surely, 2^55342775 is an apocalyptic number.

55342775 is a deficient number, since it is larger than the sum of its proper divisors (13282297).

55342775 is a wasteful number, since it uses less digits than its factorization.

55342775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213721 (or 2213716 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 55342775 is about 7439.2724778704. The cubic root of 55342775 is about 381.0836450617.

The spelling of 55342775 in words is "fifty-five million, three hundred forty-two thousand, seven hundred seventy-five".