2553554 has 4 divisors (see below), whose sum is σ = 3830334. Its totient is φ = 1276776.

The previous prime is 2553547. The next prime is 2553559. The reversal of 2553554 is 4553552.

It is a happy number.

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., 2449225 + 104329 = 1565^2 + 323^2 .

It is not an unprimeable number, because it can be changed into a prime (2553559) by changing a digit.

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 as a sum of consecutive naturals, namely, 638387 + ... + 638390.

2^2553554 is an apocalyptic number.

2553554 is a deficient number, since it is larger than the sum of its proper divisors (1276780).

2553554 is a wasteful number, since it uses less digits than its factorization.

2553554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276779.

The product of its digits is 15000, while the sum is 29.

The square root of 2553554 is about 1597.9843553677. The cubic root of 2553554 is about 136.6831614700.

The spelling of 2553554 in words is "two million, five hundred fifty-three thousand, five hundred fifty-four".