55035777878578 has 8 divisors (see below), whose sum is σ = 94347047791872. Its totient is φ = 23586761947956.

The previous prime is 55035777878561. The next prime is 55035777878591. The reversal of 55035777878578 is 87587877753055.

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

It is a super-2 number, since 2×55035777878578² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965563495650 + ... + 1965563495677.

It is an arithmetic number, because the mean of its divisors is an integer number (11793380973984).

Almost surely, 2^{55035777878578} is an apocalyptic number.

55035777878578 is a deficient number, since it is larger than the sum of its proper divisors (39311269913294).

55035777878578 is a wasteful number, since it uses less digits than its factorization.

55035777878578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931126991336.

The product of its (nonzero) digits is 16134720000, while the sum is 82.

The spelling of 55035777878578 in words is "fifty-five trillion, thirty-five billion, seven hundred seventy-seven million, eight hundred seventy-eight thousand, five hundred seventy-eight".