2554652221 has 4 divisors (see below), whose sum is σ = 2786893344. Its totient is φ = 2322411100.

The previous prime is 2554652213. The next prime is 2554652249. The reversal of 2554652221 is 1222564552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2554652221 - 2³ = 2554652213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554652291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116120545 + ... + 116120566.

It is an arithmetic number, because the mean of its divisors is an integer number (696723336).

Almost surely, 2^2554652221 is an apocalyptic number.

It is an amenable number.

2554652221 is a deficient number, since it is larger than the sum of its proper divisors (232241123).

2554652221 is a wasteful number, since it uses less digits than its factorization.

2554652221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232241122.

The product of its digits is 48000, while the sum is 34.

The square root of 2554652221 is about 50543.5675531516. The cubic root of 2554652221 is about 1367.0275335438.

The spelling of 2554652221 in words is "two billion, five hundred fifty-four million, six hundred fifty-two thousand, two hundred twenty-one".