51889152 has 176 divisors, whose sum is σ = 167690240. Its totient is φ = 13934592.

The previous prime is 51889147. The next prime is 51889153. The reversal of 51889152 is 25198815.

It is a self number, because there is not a number n which added to its sum of digits gives 51889152.

It is not an unprimeable number, because it can be changed into a prime (51889153) 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, 408513 + ... + 408639.

Almost surely, 2^51889152 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 51889152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83845120).

51889152 is an abundant number, since it is smaller than the sum of its proper divisors (115801088).

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

51889152 is a wasteful number, since it uses less digits than its factorization.

51889152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 158 counting only the distinct ones).

The product of its digits is 28800, while the sum is 39.

The square root of 51889152 is about 7203.4125246303. The cubic root of 51889152 is about 372.9857081592.

The spelling of 51889152 in words is "fifty-one million, eight hundred eighty-nine thousand, one hundred fifty-two".