54421392001531 has 2 divisors, whose sum is σ = 54421392001532. Its totient is φ = 54421392001530.

The previous prime is 54421392001519. The next prime is 54421392001547. The reversal of 54421392001531 is 13510029312445.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54421392001531 - 2⁹ = 54421392001019 is a prime.

It is a super-2 number, since 2×54421392001531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54421392001591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27210696000765 + 27210696000766.

It is an arithmetic number, because the mean of its divisors is an integer number (27210696000766).

Almost surely, 2^{54421392001531} is an apocalyptic number.

54421392001531 is a deficient number, since it is larger than the sum of its proper divisors (1).

54421392001531 is an equidigital number, since it uses as much as digits as its factorization.

54421392001531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 54421392001531 in words is "fifty-four trillion, four hundred twenty-one billion, three hundred ninety-two million, one thousand, five hundred thirty-one".