55407018567 has 4 divisors (see below), whose sum is σ = 73876024760. Its totient is φ = 36938012376.

The previous prime is 55407018551. The next prime is 55407018617. The reversal of 55407018567 is 76581070455.

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

It is not a de Polignac number, because 55407018567 - 2⁴ = 55407018551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55407018067) 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, 9234503092 + ... + 9234503097.

It is an arithmetic number, because the mean of its divisors is an integer number (18469006190).

Almost surely, 2^55407018567 is an apocalyptic number.

55407018567 is a deficient number, since it is larger than the sum of its proper divisors (18469006193).

55407018567 is a wasteful number, since it uses less digits than its factorization.

55407018567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469006192.

The product of its (nonzero) digits is 1176000, while the sum is 48.

The spelling of 55407018567 in words is "fifty-five billion, four hundred seven million, eighteen thousand, five hundred sixty-seven".