55470368144 has 40 divisors (see below), whose sum is σ = 114198092640. Its totient is φ = 26011427328.

The previous prime is 55470368137. The next prime is 55470368257. The reversal of 55470368144 is 44186307455.

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, 283334 + ... + 437285.

It is an arithmetic number, because the mean of its divisors is an integer number (2854952316).

Almost surely, 2^55470368144 is an apocalyptic number.

It is an amenable number.

55470368144 is an abundant number, since it is smaller than the sum of its proper divisors (58727724496).

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

55470368144 is a wasteful number, since it uses less digits than its factorization.

55470368144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720927 (or 720921 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The spelling of 55470368144 in words is "fifty-five billion, four hundred seventy million, three hundred sixty-eight thousand, one hundred forty-four".