54215111401 has 16 divisors (see below), whose sum is σ = 59317732800. Its totient is φ = 49141684800.

The previous prime is 54215111369. The next prime is 54215111473. The reversal of 54215111401 is 10411151245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 54215111401 - 2⁵ = 54215111369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54215111201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6552295 + ... + 6560563.

It is an arithmetic number, because the mean of its divisors is an integer number (3707358300).

Almost surely, 2^54215111401 is an apocalyptic number.

It is an amenable number.

54215111401 is a deficient number, since it is larger than the sum of its proper divisors (5102621399).

54215111401 is a wasteful number, since it uses less digits than its factorization.

54215111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960.

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 54215111401 its reverse (10411151245), we get a palindrome (64626262646).

The spelling of 54215111401 in words is "fifty-four billion, two hundred fifteen million, one hundred eleven thousand, four hundred one".