2152043554 has 4 divisors (see below), whose sum is σ = 3228065334. Its totient is φ = 1076021776.

The previous prime is 2152043533. The next prime is 2152043587. The reversal of 2152043554 is 4553402512.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2122721329 + 29322225 = 46073^2 + 5415^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538010887 + ... + 538010890.

Almost surely, 2^2152043554 is an apocalyptic number.

2152043554 is a deficient number, since it is larger than the sum of its proper divisors (1076021780).

2152043554 is a wasteful number, since it uses less digits than its factorization.

2152043554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076021779.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2152043554 is about 46390.1234531662. The cubic root of 2152043554 is about 1291.0716720045.

The spelling of 2152043554 in words is "two billion, one hundred fifty-two million, forty-three thousand, five hundred fifty-four".