51580045 has 8 divisors (see below), whose sum is σ = 67523040. Its totient is φ = 37512720.

The previous prime is 51580037. The next prime is 51580049. The reversal of 51580045 is 54008515.

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

It is not a de Polignac number, because 51580045 - 2³ = 51580037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51579995 and 51580022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51580049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468855 + ... + 468964.

It is an arithmetic number, because the mean of its divisors is an integer number (8440380).

Almost surely, 2^51580045 is an apocalyptic number.

51580045 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51580045 is a deficient number, since it is larger than the sum of its proper divisors (15942995).

51580045 is a wasteful number, since it uses less digits than its factorization.

51580045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937835.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 51580045 is about 7181.9248812557. The cubic root of 51580045 is about 372.2435993597.

The spelling of 51580045 in words is "fifty-one million, five hundred eighty thousand, forty-five".