51460208 has 40 divisors (see below), whose sum is σ = 105982800. Its totient is φ = 24136704.

The previous prime is 51460183. The next prime is 51460231. The reversal of 51460208 is 80206415.

It is a congruent 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, 32360 + ... + 33912.

It is an arithmetic number, because the mean of its divisors is an integer number (2649570).

Almost surely, 2^51460208 is an apocalyptic number.

51460208 is the 4142-nd octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51460208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52991400).

51460208 is an abundant number, since it is smaller than the sum of its proper divisors (54522592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51460208 is a wasteful number, since it uses less digits than its factorization.

51460208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 51460208 is about 7173.5770714477. The cubic root of 51460208 is about 371.9550953621.

The spelling of 51460208 in words is "fifty-one million, four hundred sixty thousand, two hundred eight".