2015676553 has 16 divisors (see below), whose sum is σ = 2429502336. Its totient is φ = 1649655040.

The previous prime is 2015676521. The next prime is 2015676569. The reversal of 2015676553 is 3556765102.

It is not a de Polignac number, because 2015676553 - 2⁵ = 2015676521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2015676583) 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, 230026 + ... + 238627.

It is an arithmetic number, because the mean of its divisors is an integer number (151843896).

Almost surely, 2^2015676553 is an apocalyptic number.

2015676553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2015676553 is a deficient number, since it is larger than the sum of its proper divisors (413825783).

2015676553 is a wasteful number, since it uses less digits than its factorization.

2015676553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468704.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 2015676553 is about 44896.2866281834. The cubic root of 2015676553 is about 1263.2043561440.

The spelling of 2015676553 in words is "two billion, fifteen million, six hundred seventy-six thousand, five hundred fifty-three".