55234018667072 has 56 divisors (see below), whose sum is σ = 126060716558784. Its totient is φ = 23520946954752.

The previous prime is 55234018667053. The next prime is 55234018667131. The reversal of 55234018667072 is 27076681043255.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×55234018667072² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 55234018666999 and 55234018667017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392573678 + ... + 392714349.

It is an arithmetic number, because the mean of its divisors is an integer number (2251084224264).

Almost surely, 2^{55234018667072} is an apocalyptic number.

It is an amenable number.

55234018667072 is an abundant number, since it is smaller than the sum of its proper divisors (70826697891712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55234018667072 is a wasteful number, since it uses less digits than its factorization.

55234018667072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785288203 (or 785288193 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 55234018667072 in words is "fifty-five trillion, two hundred thirty-four billion, eighteen million, six hundred sixty-seven thousand, seventy-two".