55430255011 has 4 divisors (see below), whose sum is σ = 55435674672. Its totient is φ = 55424835352.

The previous prime is 55430255003. The next prime is 55430255021. The reversal of 55430255011 is 11055203455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11055203455 = 5 ⋅2211040691.

It is a cyclic number.

It is not a de Polignac number, because 55430255011 - 2³ = 55430255003 is a prime.

It is a super-2 number, since 2×55430255011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55430255021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2694460 + ... + 2714953.

It is an arithmetic number, because the mean of its divisors is an integer number (13858918668).

Almost surely, 2^55430255011 is an apocalyptic number.

55430255011 is a deficient number, since it is larger than the sum of its proper divisors (5419661).

55430255011 is a wasteful number, since it uses less digits than its factorization.

55430255011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419660.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 55430255011 its reverse (11055203455), we get a palindrome (66485458466).

The spelling of 55430255011 in words is "fifty-five billion, four hundred thirty million, two hundred fifty-five thousand, eleven".