2557054345 has 16 divisors (see below), whose sum is σ = 3107744640. Its totient is φ = 2019561984.

The previous prime is 2557054343. The next prime is 2557054363. The reversal of 2557054345 is 5434507552.

It is a cyclic number.

It is not a de Polignac number, because 2557054345 - 2¹ = 2557054343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2557054298 and 2557054307.

It is not an unprimeable number, because it can be changed into a prime (2557054343) 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, 196924 + ... + 209506.

It is an arithmetic number, because the mean of its divisors is an integer number (194234040).

Almost surely, 2^2557054345 is an apocalyptic number.

It is an amenable number.

2557054345 is a deficient number, since it is larger than the sum of its proper divisors (550690295).

2557054345 is a wasteful number, since it uses less digits than its factorization.

2557054345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13104.

The product of its (nonzero) digits is 420000, while the sum is 40.

The square root of 2557054345 is about 50567.3248748636. The cubic root of 2557054345 is about 1367.4558685530.

The spelling of 2557054345 in words is "two billion, five hundred fifty-seven million, fifty-four thousand, three hundred forty-five".