55381276460 has 24 divisors (see below), whose sum is σ = 116607558480. Its totient is φ = 22094057664.

The previous prime is 55381276441. The next prime is 55381276463. The reversal of 55381276460 is 6467218355.

It is not an unprimeable number, because it can be changed into a prime (55381276463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645539 + ... + 3660698.

It is an arithmetic number, because the mean of its divisors is an integer number (4858648270).

Almost surely, 2^55381276460 is an apocalyptic number.

It is an amenable number.

55381276460 is an abundant number, since it is smaller than the sum of its proper divisors (61226282020).

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

55381276460 is a wasteful number, since it uses less digits than its factorization.

55381276460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7306625 (or 7306623 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 55381276460 in words is "fifty-five billion, three hundred eighty-one million, two hundred seventy-six thousand, four hundred sixty".