2055400545 has 32 divisors (see below), whose sum is σ = 3595115520. Its totient is φ = 994472640.

The previous prime is 2055400537. The next prime is 2055400573. The reversal of 2055400545 is 5450045502.

It is not a de Polignac number, because 2055400545 - 2³ = 2055400537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67566 + ... + 93144.

It is an arithmetic number, because the mean of its divisors is an integer number (112347360).

Almost surely, 2^2055400545 is an apocalyptic number.

It is an amenable number.

2055400545 is a deficient number, since it is larger than the sum of its proper divisors (1539714975).

2055400545 is a wasteful number, since it uses less digits than its factorization.

2055400545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 2055400545 is about 45336.5255064832. The cubic root of 2055400545 is about 1271.4486424922.

The spelling of 2055400545 in words is "two billion, fifty-five million, four hundred thousand, five hundred forty-five".