55312732739 has 16 divisors (see below), whose sum is σ = 60477943680. Its totient is φ = 50170460160.

The previous prime is 55312732733. The next prime is 55312732747. The reversal of 55312732739 is 93723721355.

It is a cyclic number.

It is not a de Polignac number, because 55312732739 - 2⁴ = 55312732723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55312732693 and 55312732702.

It is not an unprimeable number, because it can be changed into a prime (55312732733) 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, 11053412 + ... + 11058414.

It is an arithmetic number, because the mean of its divisors is an integer number (3779871480).

Almost surely, 2^55312732739 is an apocalyptic number.

55312732739 is a deficient number, since it is larger than the sum of its proper divisors (5165210941).

55312732739 is a wasteful number, since it uses less digits than its factorization.

55312732739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7090.

The product of its digits is 1190700, while the sum is 47.

The spelling of 55312732739 in words is "fifty-five billion, three hundred twelve million, seven hundred thirty-two thousand, seven hundred thirty-nine".