2825328257550 has 72 divisors (see below), whose sum is σ = 7623293711904. Its totient is φ = 750187274880.

The previous prime is 2825328257509. The next prime is 2825328257573. The reversal of 2825328257550 is 557528235282.

It is a happy number.

2825328257550 is a `hidden beast` number, since 2 + 8 + 2 + 5 + 3 + 2 + 82 + 5 + 7 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13368342 + ... + 13578041.

It is an arithmetic number, because the mean of its divisors is an integer number (105879079332).

Almost surely, 2^{2825328257550} is an apocalyptic number.

2825328257550 is an abundant number, since it is smaller than the sum of its proper divisors (4797965454354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2825328257550 is a wasteful number, since it uses less digits than its factorization.

2825328257550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26946634 (or 26946626 counting only the distinct ones).

The product of its (nonzero) digits is 13440000, while the sum is 54.

The spelling of 2825328257550 in words is "two trillion, eight hundred twenty-five billion, three hundred twenty-eight million, two hundred fifty-seven thousand, five hundred fifty".