55542400001 has 8 divisors (see below), whose sum is σ = 60739860000. Its totient is φ = 50369631840.

The previous prime is 55542399989. The next prime is 55542400007. The reversal of 55542400001 is 10000424555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55542400001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55542400007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6168251 + ... + 6177248.

It is an arithmetic number, because the mean of its divisors is an integer number (7592482500).

Almost surely, 2^55542400001 is an apocalyptic number.

It is an amenable number.

55542400001 is a deficient number, since it is larger than the sum of its proper divisors (5197459999).

55542400001 is a wasteful number, since it uses less digits than its factorization.

55542400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12345919.

The product of its (nonzero) digits is 4000, while the sum is 26.

Adding to 55542400001 its reverse (10000424555), we get a palindrome (65542824556).

The spelling of 55542400001 in words is "fifty-five billion, five hundred forty-two million, four hundred thousand, one".