51896484 has 48 divisors (see below), whose sum is σ = 135553600. Its totient is φ = 17169408.

The previous prime is 51896483. The next prime is 51896489. The reversal of 51896484 is 48469815.

51896484 is a `hidden beast` number, since 518 + 96 + 48 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51896483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13284 + ... + 16740.

Almost surely, 2^51896484 is an apocalyptic number.

51896484 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51896484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67776800).

51896484 is an abundant number, since it is smaller than the sum of its proper divisors (83657116).

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

51896484 is a wasteful number, since it uses less digits than its factorization.

51896484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3601 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 51896484 is about 7203.9214321090. The cubic root of 51896484 is about 373.0032751092.

The spelling of 51896484 in words is "fifty-one million, eight hundred ninety-six thousand, four hundred eighty-four".