51082460 has 96 divisors (see below), whose sum is σ = 128786112. Its totient is φ = 16773120.

The previous prime is 51082453. The next prime is 51082477. The reversal of 51082460 is 6428015.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151412 + ... + 151748.

It is an arithmetic number, because the mean of its divisors is an integer number (1341522).

Almost surely, 2^51082460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51082460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64393056).

51082460 is an abundant number, since it is smaller than the sum of its proper divisors (77703652).

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

51082460 is a wasteful number, since it uses less digits than its factorization.

51082460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

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

The square root of 51082460 is about 7147.1994515334. The cubic root of 51082460 is about 371.0427367018.

The spelling of 51082460 in words is "fifty-one million, eighty-two thousand, four hundred sixty".