5555150138 has 4 divisors (see below), whose sum is σ = 8332725210. Its totient is φ = 2777575068.

The previous prime is 5555150123. The next prime is 5555150143. The reversal of 5555150138 is 8310515555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8310515555 = 5 ⋅1662103111.

It can be written as a sum of positive squares in only one way, i.e., 4378865929 + 1176284209 = 66173^2 + 34297^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388787533 + ... + 1388787536.

Almost surely, 2^5555150138 is an apocalyptic number.

5555150138 is a deficient number, since it is larger than the sum of its proper divisors (2777575072).

5555150138 is a wasteful number, since it uses less digits than its factorization.

5555150138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777575071.

The product of its (nonzero) digits is 75000, while the sum is 38.

The square root of 5555150138 is about 74532.8795767345. The cubic root of 5555150138 is about 1771.0545322124.

The spelling of 5555150138 in words is "five billion, five hundred fifty-five million, one hundred fifty thousand, one hundred thirty-eight".