55617337774 has 8 divisors (see below), whose sum is σ = 83504639448. Its totient is φ = 27782457960.

The previous prime is 55617337709. The next prime is 55617337777. The reversal of 55617337774 is 47773371655.

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

It is a super-2 number, since 2×55617337774² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55617337777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13102812 + ... + 13107055.

It is an arithmetic number, because the mean of its divisors is an integer number (10438079931).

Almost surely, 2^55617337774 is an apocalyptic number.

55617337774 is a deficient number, since it is larger than the sum of its proper divisors (27887301674).

55617337774 is a wasteful number, since it uses less digits than its factorization.

55617337774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26210930.

The product of its digits is 12965400, while the sum is 55.

The spelling of 55617337774 in words is "fifty-five billion, six hundred seventeen million, three hundred thirty-seven thousand, seven hundred seventy-four".