54102420101 has 2 divisors, whose sum is σ = 54102420102. Its totient is φ = 54102420100.

The previous prime is 54102420041. The next prime is 54102420137. The reversal of 54102420101 is 10102420145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44100420001 + 10002000100 = 210001^2 + 100010^2 .

It is a cyclic number.

It is not a de Polignac number, because 54102420101 - 2¹⁴ = 54102403717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54102420301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27051210050 + 27051210051.

It is an arithmetic number, because the mean of its divisors is an integer number (27051210051).

Almost surely, 2^54102420101 is an apocalyptic number.

It is an amenable number.

54102420101 is a deficient number, since it is larger than the sum of its proper divisors (1).

54102420101 is an equidigital number, since it uses as much as digits as its factorization.

54102420101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 54102420101 its reverse (10102420145), we get a palindrome (64204840246).

The spelling of 54102420101 in words is "fifty-four billion, one hundred two million, four hundred twenty thousand, one hundred one".