55669251739 has 8 divisors (see below), whose sum is σ = 58964770800. Its totient is φ = 52376050176.

The previous prime is 55669251733. The next prime is 55669251749. The reversal of 55669251739 is 93715296655.

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

It is not a de Polignac number, because 55669251739 - 2³ = 55669251731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55669251731) 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, 529789 + ... + 626110.

It is an arithmetic number, because the mean of its divisors is an integer number (7370596350).

Almost surely, 2^55669251739 is an apocalyptic number.

55669251739 is a deficient number, since it is larger than the sum of its proper divisors (3295519061).

55669251739 is a wasteful number, since it uses less digits than its factorization.

55669251739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158749.

The product of its digits is 15309000, while the sum is 58.

The spelling of 55669251739 in words is "fifty-five billion, six hundred sixty-nine million, two hundred fifty-one thousand, seven hundred thirty-nine".