55150566983 has 4 divisors (see below), whose sum is σ = 58394718000. Its totient is φ = 51906415968.

The previous prime is 55150566973. The next prime is 55150567013. The reversal of 55150566983 is 38966505155.

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 55150566983 - 2⁴ = 55150566967 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 (55150566943) 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, 1622075483 + ... + 1622075516.

It is an arithmetic number, because the mean of its divisors is an integer number (14598679500).

Almost surely, 2^55150566983 is an apocalyptic number.

55150566983 is a deficient number, since it is larger than the sum of its proper divisors (3244151017).

55150566983 is a wasteful number, since it uses less digits than its factorization.

55150566983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244151016.

The product of its (nonzero) digits is 4860000, while the sum is 53.

The spelling of 55150566983 in words is "fifty-five billion, one hundred fifty million, five hundred sixty-six thousand, nine hundred eighty-three".