55515423451541 has 2 divisors, whose sum is σ = 55515423451542. Its totient is φ = 55515423451540.

The previous prime is 55515423451471. The next prime is 55515423451583. The reversal of 55515423451541 is 14515432451555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35123461515025 + 20391961936516 = 5926505^2 + 4515746^2 .

It is a cyclic number.

It is not a de Polignac number, because 55515423451541 - 2¹⁸ = 55515423189397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55515423451541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55515423451141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27757711725770 + 27757711725771.

It is an arithmetic number, because the mean of its divisors is an integer number (27757711725771).

Almost surely, 2^{55515423451541} is an apocalyptic number.

It is an amenable number.

55515423451541 is a deficient number, since it is larger than the sum of its proper divisors (1).

55515423451541 is an equidigital number, since it uses as much as digits as its factorization.

55515423451541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000000, while the sum is 50.

The spelling of 55515423451541 in words is "fifty-five trillion, five hundred fifteen billion, four hundred twenty-three million, four hundred fifty-one thousand, five hundred forty-one".