2555474477 has 4 divisors (see below), whose sum is σ = 2614904160. Its totient is φ = 2496044796.

The previous prime is 2555474443. The next prime is 2555474489. The reversal of 2555474477 is 7744745552.

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 2555474477 - 2⁶ = 2555474413 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 (2555474417) 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, 29714777 + ... + 29714862.

It is an arithmetic number, because the mean of its divisors is an integer number (653726040).

Almost surely, 2^2555474477 is an apocalyptic number.

It is an amenable number.

2555474477 is a deficient number, since it is larger than the sum of its proper divisors (59429683).

2555474477 is an equidigital number, since it uses as much as digits as its factorization.

2555474477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59429682.

The product of its digits is 5488000, while the sum is 50.

The square root of 2555474477 is about 50551.7010297379. The cubic root of 2555474477 is about 1367.1741844272.

The spelling of 2555474477 in words is "two billion, five hundred fifty-five million, four hundred seventy-four thousand, four hundred seventy-seven".