55012750381 has 8 divisors (see below), whose sum is σ = 56945548800. Its totient is φ = 53089839120.

The previous prime is 55012750349. The next prime is 55012750439. The reversal of 55012750381 is 18305721055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 55012750381 - 2⁵ = 55012750349 is a prime.

It is a super-2 number, since 2×55012750381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55012750381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55012750321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2460466 + ... + 2482723.

It is an arithmetic number, because the mean of its divisors is an integer number (7118193600).

Almost surely, 2^55012750381 is an apocalyptic number.

It is an amenable number.

55012750381 is a deficient number, since it is larger than the sum of its proper divisors (1932798419).

55012750381 is a wasteful number, since it uses less digits than its factorization.

55012750381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943579.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 55012750381 in words is "fifty-five billion, twelve million, seven hundred fifty thousand, three hundred eighty-one".