2054521545 has 16 divisors (see below), whose sum is σ = 3313121280. Its totient is φ = 1087115904.

The previous prime is 2054521517. The next prime is 2054521577. The reversal of 2054521545 is 5451254502.

It is not a de Polignac number, because 2054521545 - 2⁸ = 2054521289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537340 + ... + 541149.

It is an arithmetic number, because the mean of its divisors is an integer number (207070080).

Almost surely, 2^2054521545 is an apocalyptic number.

It is an amenable number.

2054521545 is a deficient number, since it is larger than the sum of its proper divisors (1258599735).

2054521545 is a wasteful number, since it uses less digits than its factorization.

2054521545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078624.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 2054521545 is about 45326.8302995036. The cubic root of 2054521545 is about 1271.2673700044.

The spelling of 2054521545 in words is "two billion, fifty-four million, five hundred twenty-one thousand, five hundred forty-five".