55782450249 has 32 divisors (see below), whose sum is σ = 77113344000. Its totient is φ = 35830831680.

The previous prime is 55782450203. The next prime is 55782450259. The reversal of 55782450249 is 94205428755.

55782450249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55782450249 - 2¹⁹ = 55781925961 is a prime.

It is a super-2 number, since 2×55782450249² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55782450259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42290812 + ... + 42292130.

It is an arithmetic number, because the mean of its divisors is an integer number (2409792000).

Almost surely, 2^55782450249 is an apocalyptic number.

It is an amenable number.

55782450249 is a deficient number, since it is larger than the sum of its proper divisors (21330893751).

55782450249 is a wasteful number, since it uses less digits than its factorization.

55782450249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3005.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 55782450249 in words is "fifty-five billion, seven hundred eighty-two million, four hundred fifty thousand, two hundred forty-nine".