55312732738 has 16 divisors (see below), whose sum is σ = 84741997824. Its totient is φ = 27065505760.

The previous prime is 55312732733. The next prime is 55312732747. The reversal of 55312732738 is 83723721355.

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 7 ways as a sum of consecutive naturals, for example, 1486278 + ... + 1523038.

It is an arithmetic number, because the mean of its divisors is an integer number (5296374864).

Almost surely, 2^55312732738 is an apocalyptic number.

55312732738 is a deficient number, since it is larger than the sum of its proper divisors (29429265086).

55312732738 is a wasteful number, since it uses less digits than its factorization.

55312732738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52817.

The product of its digits is 1058400, while the sum is 46.

The spelling of 55312732738 in words is "fifty-five billion, three hundred twelve million, seven hundred thirty-two thousand, seven hundred thirty-eight".