55529312739 has 8 divisors (see below), whose sum is σ = 74066813952. Its totient is φ = 37005676680.

The previous prime is 55529312701. The next prime is 55529312789. The reversal of 55529312739 is 93721392555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55529312739 - 2⁷ = 55529312611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55529312691 and 55529312700.

It is not an unprimeable number, because it can be changed into a prime (55529312789) 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, 3456939 + ... + 3472964.

It is an arithmetic number, because the mean of its divisors is an integer number (9258351744).

Almost surely, 2^55529312739 is an apocalyptic number.

55529312739 is a deficient number, since it is larger than the sum of its proper divisors (18537501213).

55529312739 is a wasteful number, since it uses less digits than its factorization.

55529312739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932577.

The product of its digits is 2551500, while the sum is 51.

The spelling of 55529312739 in words is "fifty-five billion, five hundred twenty-nine million, three hundred twelve thousand, seven hundred thirty-nine".