55011401401 has 12 divisors (see below), whose sum is σ = 60479320356. Its totient is φ = 50000239520.

The previous prime is 55011401369. The next prime is 55011401443. The reversal of 55011401401 is 10410411055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43428476025 + 11582925376 = 208395^2 + 107624^2 .

It is not a de Polignac number, because 55011401401 - 2⁵ = 55011401369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55011401801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 590271 + ... + 677083.

It is an arithmetic number, because the mean of its divisors is an integer number (5039943363).

Almost surely, 2^55011401401 is an apocalyptic number.

It is an amenable number.

55011401401 is a deficient number, since it is larger than the sum of its proper divisors (5467918955).

55011401401 is a wasteful number, since it uses less digits than its factorization.

55011401401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92072 (or 92061 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 55011401401 its reverse (10410411055), we get a palindrome (65421812456).

The spelling of 55011401401 in words is "fifty-five billion, eleven million, four hundred one thousand, four hundred one".