55430140325 has 24 divisors (see below), whose sum is σ = 79840187520. Its totient is φ = 37386129600.

The previous prime is 55430140307. The next prime is 55430140351. The reversal of 55430140325 is 52304103455.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55430140325 is a prime.

It is a super-2 number, since 2×55430140325² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55430140291 and 55430140300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2585585 + ... + 2606934.

It is an arithmetic number, because the mean of its divisors is an integer number (3326674480).

Almost surely, 2^55430140325 is an apocalyptic number.

It is an amenable number.

55430140325 is a deficient number, since it is larger than the sum of its proper divisors (24410047195).

55430140325 is a wasteful number, since it uses less digits than its factorization.

55430140325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192597 (or 5192592 counting only the distinct ones).

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

The spelling of 55430140325 in words is "fifty-five billion, four hundred thirty million, one hundred forty thousand, three hundred twenty-five".