54531220622407 has 2 divisors, whose sum is σ = 54531220622408. Its totient is φ = 54531220622406.

The previous prime is 54531220622399. The next prime is 54531220622569. The reversal of 54531220622407 is 70422602213545.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54531220622407 - 2³ = 54531220622399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54531220622707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27265610311203 + 27265610311204.

It is an arithmetic number, because the mean of its divisors is an integer number (27265610311204).

Almost surely, 2^{54531220622407} is an apocalyptic number.

54531220622407 is a deficient number, since it is larger than the sum of its proper divisors (1).

54531220622407 is an equidigital number, since it uses as much as digits as its factorization.

54531220622407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 54531220622407 in words is "fifty-four trillion, five hundred thirty-one billion, two hundred twenty million, six hundred twenty-two thousand, four hundred seven".