51482412 has 48 divisors (see below), whose sum is σ = 134041600. Its totient is φ = 17087760.

The previous prime is 51482399. The next prime is 51482471. The reversal of 51482412 is 21428415.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 28389 + ... + 30147.

Almost surely, 2^51482412 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 51482412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67020800).

51482412 is an abundant number, since it is smaller than the sum of its proper divisors (82559188).

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

51482412 is a wasteful number, since it uses less digits than its factorization.

51482412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043 (or 2035 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 51482412 is about 7175.1245285361. The cubic root of 51482412 is about 372.0085846094.

The spelling of 51482412 in words is "fifty-one million, four hundred eighty-two thousand, four hundred twelve".