55250136242 has 32 divisors (see below), whose sum is σ = 96038196480. Its totient is φ = 23350003200.

The previous prime is 55250136223. The next prime is 55250136283. The reversal of 55250136242 is 24263105255.

55250136242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194234 + ... + 385002.

It is an arithmetic number, because the mean of its divisors is an integer number (3001193640).

Almost surely, 2^55250136242 is an apocalyptic number.

55250136242 is a deficient number, since it is larger than the sum of its proper divisors (40788060238).

55250136242 is a wasteful number, since it uses less digits than its factorization.

55250136242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191066.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 55250136242 in words is "fifty-five billion, two hundred fifty million, one hundred thirty-six thousand, two hundred forty-two".