2775555057 has 16 divisors (see below), whose sum is σ = 4044268800. Its totient is φ = 1679197200.

The previous prime is 2775555053. The next prime is 2775555073. The reversal of 2775555057 is 7505555772.

It is not a de Polignac number, because 2775555057 - 2² = 2775555053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2775554997 and 2775555015.

It is not an unprimeable number, because it can be changed into a prime (2775555053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54807 + ... + 92492.

It is an arithmetic number, because the mean of its divisors is an integer number (252766800).

Almost surely, 2^2775555057 is an apocalyptic number.

It is an amenable number.

2775555057 is a deficient number, since it is larger than the sum of its proper divisors (1268713743).

2775555057 is a wasteful number, since it uses less digits than its factorization.

2775555057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147884.

The product of its (nonzero) digits is 2143750, while the sum is 48.

The square root of 2775555057 is about 52683.5368687411. The cubic root of 2775555057 is about 1405.3460657226.

The spelling of 2775555057 in words is "two billion, seven hundred seventy-five million, five hundred fifty-five thousand, fifty-seven".