54125822381 has 4 divisors (see below), whose sum is σ = 54128082912. Its totient is φ = 54123561852.

The previous prime is 54125822357. The next prime is 54125822461. The reversal of 54125822381 is 18322852145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54125822381 is a prime.

It is a super-2 number, since 2×54125822381² (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 (54125822341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093961 + ... + 1142366.

It is an arithmetic number, because the mean of its divisors is an integer number (13532020728).

Almost surely, 2^54125822381 is an apocalyptic number.

It is an amenable number.

54125822381 is a deficient number, since it is larger than the sum of its proper divisors (2260531).

54125822381 is a wasteful number, since it uses less digits than its factorization.

54125822381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260530.

The product of its digits is 153600, while the sum is 41.

The spelling of 54125822381 in words is "fifty-four billion, one hundred twenty-five million, eight hundred twenty-two thousand, three hundred eighty-one".