55551824147 has 4 divisors (see below), whose sum is σ = 57467404320. Its totient is φ = 53636243976.

The previous prime is 55551824143. The next prime is 55551824183. The reversal of 55551824147 is 74142815555.

55551824147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55551824147 - 2² = 55551824143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55551824143) 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, 957790043 + ... + 957790100.

It is an arithmetic number, because the mean of its divisors is an integer number (14366851080).

Almost surely, 2^55551824147 is an apocalyptic number.

55551824147 is a deficient number, since it is larger than the sum of its proper divisors (1915580173).

55551824147 is a wasteful number, since it uses less digits than its factorization.

55551824147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915580172.

The product of its digits is 1120000, while the sum is 47.

The spelling of 55551824147 in words is "fifty-five billion, five hundred fifty-one million, eight hundred twenty-four thousand, one hundred forty-seven".