51452005 has 16 divisors (see below), whose sum is σ = 67630464. Its totient is φ = 37266880.

The previous prime is 51451999. The next prime is 51452017. The reversal of 51452005 is 50025415.

It is not a de Polignac number, because 51452005 - 2⁵ = 51451973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12687 + ... + 16243.

It is an arithmetic number, because the mean of its divisors is an integer number (4226904).

Almost surely, 2^51452005 is an apocalyptic number.

51452005 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51452005 is a deficient number, since it is larger than the sum of its proper divisors (16178459).

51452005 is a wasteful number, since it uses less digits than its factorization.

51452005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3836.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 51452005 is about 7173.0052976420. The cubic root of 51452005 is about 371.9353305127.

The spelling of 51452005 in words is "fifty-one million, four hundred fifty-two thousand, five".