2554443121 has 8 divisors (see below), whose sum is σ = 2637625088. Its totient is φ = 2471310000.

The previous prime is 2554443097. The next prime is 2554443127. The reversal of 2554443121 is 1213444552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2554443121 - 2²³ = 2546054513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554443127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115411 + ... + 135751.

It is an arithmetic number, because the mean of its divisors is an integer number (329703136).

Almost surely, 2^2554443121 is an apocalyptic number.

It is an amenable number.

2554443121 is a deficient number, since it is larger than the sum of its proper divisors (83181967).

2554443121 is a wasteful number, since it uses less digits than its factorization.

2554443121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24423.

The product of its digits is 19200, while the sum is 31.

The square root of 2554443121 is about 50541.4989983479. The cubic root of 2554443121 is about 1366.9902351522.

Adding to 2554443121 its reverse (1213444552), we get a palindrome (3767887673).

The spelling of 2554443121 in words is "two billion, five hundred fifty-four million, four hundred forty-three thousand, one hundred twenty-one".