51454829955 has 24 divisors (see below), whose sum is σ = 86888830032. Its totient is φ = 25998227136.

The previous prime is 51454829953. The next prime is 51454829957. The reversal of 51454829955 is 55992845415.

It is an interprime number because it is at equal distance from previous prime (51454829953) and next prime (51454829957).

It is not a de Polignac number, because 51454829955 - 2¹ = 51454829953 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 51454829895 and 51454829904.

It is not an unprimeable number, because it can be changed into a prime (51454829953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4745724 + ... + 4756553.

It is an arithmetic number, because the mean of its divisors is an integer number (3620367918).

Almost surely, 2^51454829955 is an apocalyptic number.

51454829955 is a deficient number, since it is larger than the sum of its proper divisors (35434000077).

51454829955 is a wasteful number, since it uses less digits than its factorization.

51454829955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502323 (or 9502304 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 57.

The spelling of 51454829955 in words is "fifty-one billion, four hundred fifty-four million, eight hundred twenty-nine thousand, nine hundred fifty-five".