55140324201 has 24 divisors (see below), whose sum is σ = 81251763840. Its totient is φ = 36024069600.

The previous prime is 55140324167. The next prime is 55140324263. The reversal of 55140324201 is 10242304155.

55140324201 is a `hidden beast` number, since 5 + 51 + 403 + 2 + 4 + 201 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-55140324201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55140320201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36531 + ... + 334088.

It is an arithmetic number, because the mean of its divisors is an integer number (3385490160).

Almost surely, 2^55140324201 is an apocalyptic number.

It is an amenable number.

55140324201 is a deficient number, since it is larger than the sum of its proper divisors (26111439639).

55140324201 is a wasteful number, since it uses less digits than its factorization.

55140324201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370957 (or 370954 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 55140324201 its reverse (10242304155), we get a palindrome (65382628356).

The spelling of 55140324201 in words is "fifty-five billion, one hundred forty million, three hundred twenty-four thousand, two hundred one".