50554451381 has 8 divisors (see below), whose sum is σ = 60817385280. Its totient is φ = 41051734848.

The previous prime is 50554451323. The next prime is 50554451383. The reversal of 50554451381 is 18315445505.

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 50554451381 - 2¹⁸ = 50554189237 is a prime.

It is a super-2 number, since 2×50554451381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50554451383) 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, 190054196 + ... + 190054461.

It is an arithmetic number, because the mean of its divisors is an integer number (7602173160).

Almost surely, 2^50554451381 is an apocalyptic number.

It is an amenable number.

50554451381 is a deficient number, since it is larger than the sum of its proper divisors (10262933899).

50554451381 is a wasteful number, since it uses less digits than its factorization.

50554451381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380108683.

The product of its (nonzero) digits is 240000, while the sum is 41.

Adding to 50554451381 its reverse (18315445505), we get a palindrome (68869896886).

The spelling of 50554451381 in words is "fifty billion, five hundred fifty-four million, four hundred fifty-one thousand, three hundred eighty-one".