55447257102 has 8 divisors (see below), whose sum is σ = 110894514216. Its totient is φ = 18482419032.

The previous prime is 55447257077. The next prime is 55447257109. The reversal of 55447257102 is 20175274455.

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

55447257102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55447257109) 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, 4620604753 + ... + 4620604764.

It is an arithmetic number, because the mean of its divisors is an integer number (13861814277).

Almost surely, 2^55447257102 is an apocalyptic number.

55447257102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55447257102 is a wasteful number, since it uses less digits than its factorization.

55447257102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241209522.

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 55447257102 in words is "fifty-five billion, four hundred forty-seven million, two hundred fifty-seven thousand, one hundred two".