55149636379 has 8 divisors (see below), whose sum is σ = 58060720640. Its totient is φ = 52239399336.

The previous prime is 55149636329. The next prime is 55149636397. The reversal of 55149636379 is 97363694155.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55149636379 - 2¹³ = 55149628187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55149636329) 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, 75939 + ... + 340684.

It is an arithmetic number, because the mean of its divisors is an integer number (7257590080).

Almost surely, 2^55149636379 is an apocalyptic number.

55149636379 is a deficient number, since it is larger than the sum of its proper divisors (2911084261).

55149636379 is a wasteful number, since it uses less digits than its factorization.

55149636379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423609.

The product of its digits is 18370800, while the sum is 58.

The spelling of 55149636379 in words is "fifty-five billion, one hundred forty-nine million, six hundred thirty-six thousand, three hundred seventy-nine".