55077115 has 4 divisors (see below), whose sum is σ = 66092544. Its totient is φ = 44061688.

The previous prime is 55077107. The next prime is 55077193. The reversal of 55077115 is 51177055.

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 55077115 - 2³ = 55077107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5507707 + ... + 5507716.

It is an arithmetic number, because the mean of its divisors is an integer number (16523136).

Almost surely, 2^55077115 is an apocalyptic number.

55077115 is a deficient number, since it is larger than the sum of its proper divisors (11015429).

55077115 is a wasteful number, since it uses less digits than its factorization.

55077115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11015428.

The product of its (nonzero) digits is 6125, while the sum is 31.

The square root of 55077115 is about 7421.3957582115. The cubic root of 55077115 is about 380.4728992425.

The spelling of 55077115 in words is "fifty-five million, seventy-seven thousand, one hundred fifteen".