54870405619 has 2 divisors, whose sum is σ = 54870405620. Its totient is φ = 54870405618.

The previous prime is 54870405497. The next prime is 54870405631. The reversal of 54870405619 is 91650407845.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54870405619 - 2²³ = 54862017011 is a prime.

It is a super-2 number, since 2×54870405619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54870405649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27435202809 + 27435202810.

It is an arithmetic number, because the mean of its divisors is an integer number (27435202810).

Almost surely, 2^54870405619 is an apocalyptic number.

54870405619 is a deficient number, since it is larger than the sum of its proper divisors (1).

54870405619 is an equidigital number, since it uses as much as digits as its factorization.

54870405619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 54870405619 in words is "fifty-four billion, eight hundred seventy million, four hundred five thousand, six hundred nineteen".