2554557512 has 64 divisors (see below), whose sum is σ = 5265131760. Its totient is φ = 1154764800.

The previous prime is 2554557503. The next prime is 2554557527. The reversal of 2554557512 is 2157554552.

It can be written as a sum of positive squares in 8 ways, for example, as 715348516 + 1839208996 = 26746^2 + 42886^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2554557512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781948 + ... + 1783380.

Almost surely, 2^2554557512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2554557512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2632565880).

2554557512 is an abundant number, since it is smaller than the sum of its proper divisors (2710574248).

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

2554557512 is a wasteful number, since it uses less digits than its factorization.

2554557512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1790 counting only the distinct ones).

The product of its digits is 350000, while the sum is 41.

The square root of 2554557512 is about 50542.6306398866. The cubic root of 2554557512 is about 1367.0106399969.

The spelling of 2554557512 in words is "two billion, five hundred fifty-four million, five hundred fifty-seven thousand, five hundred twelve".