55144145270 has 32 divisors (see below), whose sum is σ = 101030768640. Its totient is φ = 21664693600.

The previous prime is 55144145239. The next prime is 55144145291. The reversal of 55144145270 is 7254144155.

It is a congruent number.

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, 638489 + ... + 719691.

It is an arithmetic number, because the mean of its divisors is an integer number (3157211520).

Almost surely, 2^55144145270 is an apocalyptic number.

55144145270 is a deficient number, since it is larger than the sum of its proper divisors (45886623370).

55144145270 is a wasteful number, since it uses less digits than its factorization.

55144145270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82420.

The product of its (nonzero) digits is 112000, while the sum is 38.

The spelling of 55144145270 in words is "fifty-five billion, one hundred forty-four million, one hundred forty-five thousand, two hundred seventy".