55474990067 has 8 divisors (see below), whose sum is σ = 63981640800. Its totient is φ = 47113752384.

The previous prime is 55474990063. The next prime is 55474990069. The reversal of 55474990067 is 76009947455.

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

It is a cyclic number.

It is not a de Polignac number, because 55474990067 - 2² = 55474990063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55474989994 and 55474990021.

It is not an unprimeable number, because it can be changed into a prime (55474990063) 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, 36352442 + ... + 36353967.

It is an arithmetic number, because the mean of its divisors is an integer number (7997705100).

Almost surely, 2^55474990067 is an apocalyptic number.

55474990067 is a deficient number, since it is larger than the sum of its proper divisors (8506650733).

55474990067 is a wasteful number, since it uses less digits than its factorization.

55474990067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72706525.

The product of its (nonzero) digits is 9525600, while the sum is 56.

The spelling of 55474990067 in words is "fifty-five billion, four hundred seventy-four million, nine hundred ninety thousand, sixty-seven".