2555515445 has 32 divisors (see below), whose sum is σ = 3687296256. Its totient is φ = 1663372800.

The previous prime is 2555515427. The next prime is 2555515481. The reversal of 2555515445 is 5445155552.

It is not a de Polignac number, because 2555515445 - 2¹⁴ = 2555499061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Curzon number.

It is a congruent number.

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, 29030 + ... + 77160.

It is an arithmetic number, because the mean of its divisors is an integer number (115228008).

Almost surely, 2^2555515445 is an apocalyptic number.

It is an amenable number.

2555515445 is a deficient number, since it is larger than the sum of its proper divisors (1131780811).

2555515445 is a wasteful number, since it uses less digits than its factorization.

2555515445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48221.

The product of its digits is 500000, while the sum is 41.

The square root of 2555515445 is about 50552.1062370303. The cubic root of 2555515445 is about 1367.1814903233.

The spelling of 2555515445 in words is "two billion, five hundred fifty-five million, five hundred fifteen thousand, four hundred forty-five".