2555651432 has 8 divisors (see below), whose sum is σ = 4791846450. Its totient is φ = 1277825712.

The previous prime is 2555651431. The next prime is 2555651437. The reversal of 2555651432 is 2341565552.

It can be written as a sum of positive squares in only one way, i.e., 1603682116 + 951969316 = 40046^2 + 30854^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (2555651431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159728207 + ... + 159728222.

Almost surely, 2^2555651432 is an apocalyptic number.

It is an amenable number.

2555651432 is a deficient number, since it is larger than the sum of its proper divisors (2236195018).

2555651432 is a wasteful number, since it uses less digits than its factorization.

2555651432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319456435 (or 319456431 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

The square root of 2555651432 is about 50553.4512372795. The cubic root of 2555651432 is about 1367.2057405663.

The spelling of 2555651432 in words is "two billion, five hundred fifty-five million, six hundred fifty-one thousand, four hundred thirty-two".