55954293973 has 4 divisors (see below), whose sum is σ = 56014011340. Its totient is φ = 55894576608.

The previous prime is 55954293961. The next prime is 55954293991. The reversal of 55954293973 is 37939245955.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32964759844 + 22989534129 = 181562^2 + 151623^2 .

It is a cyclic number.

It is not a de Polignac number, because 55954293973 - 2³³ = 47364359381 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 (55954291973) 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, 29857278 + ... + 29859151.

It is an arithmetic number, because the mean of its divisors is an integer number (14003502835).

Almost surely, 2^55954293973 is an apocalyptic number.

It is an amenable number.

55954293973 is a deficient number, since it is larger than the sum of its proper divisors (59717367).

55954293973 is an equidigital number, since it uses as much as digits as its factorization.

55954293973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59717366.

The product of its digits is 45927000, while the sum is 61.

The spelling of 55954293973 in words is "fifty-five billion, nine hundred fifty-four million, two hundred ninety-three thousand, nine hundred seventy-three".