33150540554 has 4 divisors (see below), whose sum is σ = 49725810834. Its totient is φ = 16575270276.

The previous prime is 33150540539. The next prime is 33150540557. The reversal of 33150540554 is 45504505133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45504505133 = 71 ⋅640908523.

It can be written as a sum of positive squares in only one way, i.e., 18827956225 + 14322584329 = 137215^2 + 119677^2 .

It is not an unprimeable number, because it can be changed into a prime (33150540557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8287635137 + ... + 8287635140.

Almost surely, 2^33150540554 is an apocalyptic number.

33150540554 is a deficient number, since it is larger than the sum of its proper divisors (16575270280).

33150540554 is a wasteful number, since it uses less digits than its factorization.

33150540554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16575270279.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 33150540554 in words is "thirty-three billion, one hundred fifty million, five hundred forty thousand, five hundred fifty-four".