55140324305 has 32 divisors (see below), whose sum is σ = 73986922368. Its totient is φ = 39112128000.

The previous prime is 55140324277. The next prime is 55140324353. The reversal of 55140324305 is 50342304155.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55140324305 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298109 + ... + 446261.

It is an arithmetic number, because the mean of its divisors is an integer number (2312091324).

Almost surely, 2^55140324305 is an apocalyptic number.

55140324305 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55140324305 is a deficient number, since it is larger than the sum of its proper divisors (18846598063).

55140324305 is a wasteful number, since it uses less digits than its factorization.

55140324305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148337.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 55140324305 in words is "fifty-five billion, one hundred forty million, three hundred twenty-four thousand, three hundred five".