55419380727 has 8 divisors (see below), whose sum is σ = 74904734064. Its totient is φ = 36440140608.

The previous prime is 55419380713. The next prime is 55419380761. The reversal of 55419380727 is 72708391455.

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

It is not a de Polignac number, because 55419380727 - 2⁴ = 55419380711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55419380727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55419380327) 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, 126528048 + ... + 126528485.

It is an arithmetic number, because the mean of its divisors is an integer number (9363091758).

Almost surely, 2^55419380727 is an apocalyptic number.

55419380727 is a deficient number, since it is larger than the sum of its proper divisors (19485353337).

55419380727 is a wasteful number, since it uses less digits than its factorization.

55419380727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253056609.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 55419380727 in words is "fifty-five billion, four hundred nineteen million, three hundred eighty thousand, seven hundred twenty-seven".