51043465 has 8 divisors (see below), whose sum is σ = 66820608. Its totient is φ = 37122480.

The previous prime is 51043429. The next prime is 51043493. The reversal of 51043465 is 56434015.

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

It is not a de Polignac number, because 51043465 - 2⁷ = 51043337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463977 + ... + 464086.

It is an arithmetic number, because the mean of its divisors is an integer number (8352576).

Almost surely, 2^51043465 is an apocalyptic number.

51043465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51043465 is a deficient number, since it is larger than the sum of its proper divisors (15777143).

51043465 is a wasteful number, since it uses less digits than its factorization.

51043465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928079.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 51043465 is about 7144.4709391249. The cubic root of 51043465 is about 370.9482979272.

The spelling of 51043465 in words is "fifty-one million, forty-three thousand, four hundred sixty-five".