5515154 has 4 divisors (see below), whose sum is σ = 8272734. Its totient is φ = 2757576.

The previous prime is 5515151. The next prime is 5515163. The reversal of 5515154 is 4515155.

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., 5499025 + 16129 = 2345^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (5515151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1378787 + ... + 1378790.

Almost surely, 2^5515154 is an apocalyptic number.

5515154 is a deficient number, since it is larger than the sum of its proper divisors (2757580).

5515154 is a wasteful number, since it uses less digits than its factorization.

5515154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757579.

The product of its digits is 2500, while the sum is 26.

The square root of 5515154 is about 2348.4365011641. The cubic root of 5515154 is about 176.6793859756.

Subtracting from 5515154 its reverse (4515155), we obtain a palindrome (999999).

The spelling of 5515154 in words is "five million, five hundred fifteen thousand, one hundred fifty-four".