55740772671 has 16 divisors (see below), whose sum is σ = 76741954560. Its totient is φ = 35950786560.

The previous prime is 55740772657. The next prime is 55740772673. The reversal of 55740772671 is 17627704755.

It is not a de Polignac number, because 55740772671 - 2¹¹ = 55740770623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740772673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219576 + ... + 399618.

It is an arithmetic number, because the mean of its divisors is an integer number (4796372160).

Almost surely, 2^55740772671 is an apocalyptic number.

55740772671 is a deficient number, since it is larger than the sum of its proper divisors (21001181889).

55740772671 is a wasteful number, since it uses less digits than its factorization.

55740772671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183406.

The product of its (nonzero) digits is 2881200, while the sum is 51.

The spelling of 55740772671 in words is "fifty-five billion, seven hundred forty million, seven hundred seventy-two thousand, six hundred seventy-one".