51054122403 has 6 divisors (see below), whose sum is σ = 73744843484. Its totient is φ = 34036081596.

The previous prime is 51054122389. The next prime is 51054122443. The reversal of 51054122403 is 30422145015.

51054122403 is a `hidden beast` number, since 5 + 1 + 0 + 5 + 412 + 240 + 3 = 666.

It is not a de Polignac number, because 51054122403 - 2²¹ = 51052025251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51054122443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2836340125 + ... + 2836340142.

Almost surely, 2^51054122403 is an apocalyptic number.

51054122403 is a deficient number, since it is larger than the sum of its proper divisors (22690721081).

51054122403 is a wasteful number, since it uses less digits than its factorization.

51054122403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5672680273 (or 5672680270 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 51054122403 its reverse (30422145015), we get a palindrome (81476267418).

The spelling of 51054122403 in words is "fifty-one billion, fifty-four million, one hundred twenty-two thousand, four hundred three".