2553603156 has 36 divisors (see below), whose sum is σ = 6951476532. Its totient is φ = 785723904.

The previous prime is 2553603079. The next prime is 2553603163. The reversal of 2553603156 is 6513063552.

It can be written as a sum of positive squares in 2 ways, for example, as 115218756 + 2438384400 = 10734^2 + 49380^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2553603156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727741 + ... + 2728676.

Almost surely, 2^2553603156 is an apocalyptic number.

2553603156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2553603156 is an abundant number, since it is smaller than the sum of its proper divisors (4397873376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2553603156 is a wasteful number, since it uses less digits than its factorization.

2553603156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456440 (or 5456435 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 2553603156 is about 50533.1886585440. The cubic root of 2553603156 is about 1366.8403851619.

The spelling of 2553603156 in words is "two billion, five hundred fifty-three million, six hundred three thousand, one hundred fifty-six".