2553215450 has 12 divisors (see below), whose sum is σ = 4748980830. Its totient is φ = 1021286160.

The previous prime is 2553215449. The next prime is 2553215453. The reversal of 2553215450 is 545123552.

It can be written as a sum of positive squares in 3 ways, for example, as 1850806441 + 702409009 = 43021^2 + 26503^2 .

It is not an unprimeable number, because it can be changed into a prime (2553215453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25532105 + ... + 25532204.

Almost surely, 2^2553215450 is an apocalyptic number.

2553215450 is a deficient number, since it is larger than the sum of its proper divisors (2195765380).

2553215450 is a wasteful number, since it uses less digits than its factorization.

2553215450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51064321 (or 51064316 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2553215450 is about 50529.3523607814. The cubic root of 2553215450 is about 1366.7712072190.

The spelling of 2553215450 in words is "two billion, five hundred fifty-three million, two hundred fifteen thousand, four hundred fifty".