51185088 has 112 divisors (see below), whose sum is σ = 158496000. Its totient is φ = 16153344.

The previous prime is 51185081. The next prime is 51185089. The reversal of 51185088 is 88058115.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51185081) 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, 32053 + ... + 33611.

Almost surely, 2^51185088 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 51185088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79248000).

51185088 is an abundant number, since it is smaller than the sum of its proper divisors (107310912).

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

51185088 is a wasteful number, since it uses less digits than its factorization.

51185088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1599 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 51185088 is about 7154.3754444396. The cubic root of 51185088 is about 371.2910535154.

The spelling of 51185088 in words is "fifty-one million, one hundred eighty-five thousand, eighty-eight".