2553436154 has 4 divisors (see below), whose sum is σ = 3830154234. Its totient is φ = 1276718076.

The previous prime is 2553436147. The next prime is 2553436157. The reversal of 2553436154 is 4516343552.

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., 2531599225 + 21836929 = 50315^2 + 4673^2 .

It is not an unprimeable number, because it can be changed into a prime (2553436157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638359037 + ... + 638359040.

Almost surely, 2^2553436154 is an apocalyptic number.

2553436154 is a deficient number, since it is larger than the sum of its proper divisors (1276718080).

2553436154 is a wasteful number, since it uses less digits than its factorization.

2553436154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276718079.

The product of its digits is 216000, while the sum is 38.

The square root of 2553436154 is about 50531.5362323371. The cubic root of 2553436154 is about 1366.8105880425.

The spelling of 2553436154 in words is "two billion, five hundred fifty-three million, four hundred thirty-six thousand, one hundred fifty-four".