55331696739 has 32 divisors (see below), whose sum is σ = 82571892480. Its totient is φ = 32666278400.

The previous prime is 55331696723. The next prime is 55331696741. The reversal of 55331696739 is 93769613355.

It is a cyclic number.

It is not a de Polignac number, because 55331696739 - 2⁴ = 55331696723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55331696759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860599 + ... + 922655.

It is an arithmetic number, because the mean of its divisors is an integer number (2580371640).

Almost surely, 2^55331696739 is an apocalyptic number.

55331696739 is a deficient number, since it is larger than the sum of its proper divisors (27240195741).

55331696739 is a wasteful number, since it uses less digits than its factorization.

55331696739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62771.

The product of its digits is 13778100, while the sum is 57.

The spelling of 55331696739 in words is "fifty-five billion, three hundred thirty-one million, six hundred ninety-six thousand, seven hundred thirty-nine".