2455506997 has 4 divisors (see below), whose sum is σ = 2469073516. Its totient is φ = 2441940480.

The previous prime is 2455506953. The next prime is 2455507001. The reversal of 2455506997 is 7996055542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1202771761 + 1252735236 = 34681^2 + 35394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2455506997 - 2¹⁹ = 2454982709 is a prime.

It is a super-2 number, since 2×2455506997² = 12059029224631916018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455506917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6782988 + ... + 6783349.

It is an arithmetic number, because the mean of its divisors is an integer number (617268379).

Almost surely, 2^2455506997 is an apocalyptic number.

It is an amenable number.

2455506997 is a deficient number, since it is larger than the sum of its proper divisors (13566519).

2455506997 is a wasteful number, since it uses less digits than its factorization.

2455506997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566518.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The square root of 2455506997 is about 49553.0725283509. The cubic root of 2455506997 is about 1349.1090595187.

The spelling of 2455506997 in words is "two billion, four hundred fifty-five million, five hundred six thousand, nine hundred ninety-seven".