55781250118 has 8 divisors (see below), whose sum is σ = 91278409320. Its totient is φ = 25355113680.

The previous prime is 55781250097. The next prime is 55781250127. The reversal of 55781250118 is 81105218755.

55781250118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55781250118² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267755663 + ... + 1267755706.

It is an arithmetic number, because the mean of its divisors is an integer number (11409801165).

Almost surely, 2^55781250118 is an apocalyptic number.

55781250118 is a deficient number, since it is larger than the sum of its proper divisors (35497159202).

55781250118 is a wasteful number, since it uses less digits than its factorization.

55781250118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535511382.

The product of its (nonzero) digits is 112000, while the sum is 43.

The spelling of 55781250118 in words is "fifty-five billion, seven hundred eighty-one million, two hundred fifty thousand, one hundred eighteen".