55570038849 has 32 divisors (see below), whose sum is σ = 88674243840. Its totient is φ = 34190971776.

The previous prime is 55570038833. The next prime is 55570038859. The reversal of 55570038849 is 94883007555.

55570038849 is a `hidden beast` number, since 5 + 557 + 0 + 0 + 3 + 8 + 84 + 9 = 666.

It is not a de Polignac number, because 55570038849 - 2⁴ = 55570038833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55570038795 and 55570038804.

It is not an unprimeable number, because it can be changed into a prime (55570038859) 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, 2828749 + ... + 2848325.

It is an arithmetic number, because the mean of its divisors is an integer number (2771070120).

Almost surely, 2^55570038849 is an apocalyptic number.

It is an amenable number.

55570038849 is a deficient number, since it is larger than the sum of its proper divisors (33104204991).

55570038849 is a wasteful number, since it uses less digits than its factorization.

55570038849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27686 (or 27680 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 55570038849 in words is "fifty-five billion, five hundred seventy million, thirty-eight thousand, eight hundred forty-nine".