54102214381 has 2 divisors, whose sum is σ = 54102214382. Its totient is φ = 54102214380.

The previous prime is 54102214343. The next prime is 54102214409. The reversal of 54102214381 is 18341220145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54025564356 + 76650025 = 232434^2 + 8755^2 .

It is a cyclic number.

It is not a de Polignac number, because 54102214381 - 2¹⁷ = 54102083309 is a prime.

It is a super-2 number, since 2×54102214381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54102214181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27051107190 + 27051107191.

It is an arithmetic number, because the mean of its divisors is an integer number (27051107191).

Almost surely, 2^54102214381 is an apocalyptic number.

It is an amenable number.

54102214381 is a deficient number, since it is larger than the sum of its proper divisors (1).

54102214381 is an equidigital number, since it uses as much as digits as its factorization.

54102214381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 54102214381 in words is "fifty-four billion, one hundred two million, two hundred fourteen thousand, three hundred eighty-one".