2552949897 has 8 divisors (see below), whose sum is σ = 3404194944. Its totient is φ = 1701835728.

The previous prime is 2552949869. The next prime is 2552949923. The reversal of 2552949897 is 7989492552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2552949897 - 2¹¹ = 2552947849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2552949897.

It is not an unprimeable number, because it can be changed into a prime (2552949197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29943 + ... + 77475.

It is an arithmetic number, because the mean of its divisors is an integer number (425524368).

Almost surely, 2^2552949897 is an apocalyptic number.

It is an amenable number.

2552949897 is a deficient number, since it is larger than the sum of its proper divisors (851245047).

2552949897 is a wasteful number, since it uses less digits than its factorization.

2552949897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65439.

The product of its digits is 16329600, while the sum is 60.

The square root of 2552949897 is about 50526.7245821456. The cubic root of 2552949897 is about 1366.7238208565.

The spelling of 2552949897 in words is "two billion, five hundred fifty-two million, nine hundred forty-nine thousand, eight hundred ninety-seven".