55030429681 has 4 divisors (see below), whose sum is σ = 56805604864. Its totient is φ = 53255254500.

The previous prime is 55030429669. The next prime is 55030429691. The reversal of 55030429681 is 18692403055.

55030429681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55030429681 - 2¹¹ = 55030427633 is a prime.

It is a super-2 number, since 2×55030429681² (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 (55030429631) 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, 887587545 + ... + 887587606.

It is an arithmetic number, because the mean of its divisors is an integer number (14201401216).

Almost surely, 2^55030429681 is an apocalyptic number.

It is an amenable number.

55030429681 is a deficient number, since it is larger than the sum of its proper divisors (1775175183).

55030429681 is a wasteful number, since it uses less digits than its factorization.

55030429681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775175182.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 55030429681 in words is "fifty-five billion, thirty million, four hundred twenty-nine thousand, six hundred eighty-one".