2152311554 has 16 divisors (see below), whose sum is σ = 3421563768. Its totient is φ = 1011908352.

The previous prime is 2152311547. The next prime is 2152311593. The reversal of 2152311554 is 4551132512.

It can be written as a sum of positive squares in 4 ways, for example, as 2092605025 + 59706529 = 45745^2 + 7727^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8204 + ... + 66120.

Almost surely, 2^2152311554 is an apocalyptic number.

2152311554 is a deficient number, since it is larger than the sum of its proper divisors (1269252214).

2152311554 is a wasteful number, since it uses less digits than its factorization.

2152311554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59029.

The product of its digits is 6000, while the sum is 29.

The square root of 2152311554 is about 46393.0119091227. The cubic root of 2152311554 is about 1291.1252633682.

The spelling of 2152311554 in words is "two billion, one hundred fifty-two million, three hundred eleven thousand, five hundred fifty-four".