55954293971 has 4 divisors (see below), whose sum is σ = 57144810912. Its totient is φ = 54763777032.

The previous prime is 55954293961. The next prime is 55954293991. The reversal of 55954293971 is 17939245955.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55954293971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55954293971.

It is not an unprimeable number, because it can be changed into a prime (55954293961) 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, 595258400 + ... + 595258493.

It is an arithmetic number, because the mean of its divisors is an integer number (14286202728).

Almost surely, 2^55954293971 is an apocalyptic number.

55954293971 is a deficient number, since it is larger than the sum of its proper divisors (1190516941).

55954293971 is a wasteful number, since it uses less digits than its factorization.

55954293971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190516940.

The product of its digits is 15309000, while the sum is 59.

The spelling of 55954293971 in words is "fifty-five billion, nine hundred fifty-four million, two hundred ninety-three thousand, nine hundred seventy-one".