55078674581 has 8 divisors (see below), whose sum is σ = 62948640384. Its totient is φ = 47209104720.

The previous prime is 55078674559. The next prime is 55078674583. The reversal of 55078674581 is 18547687055.

55078674581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55078674581 - 2¹⁴ = 55078658197 is a prime.

It is a super-2 number, since 2×55078674581² (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 (55078674583) 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, 313976 + ... + 456878.

It is an arithmetic number, because the mean of its divisors is an integer number (7868580048).

Almost surely, 2^55078674581 is an apocalyptic number.

It is an amenable number.

55078674581 is a deficient number, since it is larger than the sum of its proper divisors (7869965803).

55078674581 is a wasteful number, since it uses less digits than its factorization.

55078674581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197971.

The product of its (nonzero) digits is 9408000, while the sum is 56.

The spelling of 55078674581 in words is "fifty-five billion, seventy-eight million, six hundred seventy-four thousand, five hundred eighty-one".