55724210067 has 4 divisors (see below), whose sum is σ = 74298946760. Its totient is φ = 37149473376.

The previous prime is 55724210057. The next prime is 55724210071. The reversal of 55724210067 is 76001242755.

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

It is not a de Polignac number, because 55724210067 - 2⁴ = 55724210051 is a prime.

It is a super-2 number, since 2×55724210067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55724210027) 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, 9287368342 + ... + 9287368347.

It is an arithmetic number, because the mean of its divisors is an integer number (18574736690).

Almost surely, 2^55724210067 is an apocalyptic number.

55724210067 is a deficient number, since it is larger than the sum of its proper divisors (18574736693).

55724210067 is a wasteful number, since it uses less digits than its factorization.

55724210067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18574736692.

The product of its (nonzero) digits is 117600, while the sum is 39.

The spelling of 55724210067 in words is "fifty-five billion, seven hundred twenty-four million, two hundred ten thousand, sixty-seven".