51411888 has 160 divisors (see below), whose sum is σ = 166656000. Its totient is φ = 15033600.

The previous prime is 51411869. The next prime is 51411889. The reversal of 51411888 is 88811415.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (51411889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147138 + ... + 147486.

It is an arithmetic number, because the mean of its divisors is an integer number (1041600).

Almost surely, 2^51411888 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 51411888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83328000).

51411888 is an abundant number, since it is smaller than the sum of its proper divisors (115244112).

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

51411888 is a wasteful number, since it uses less digits than its factorization.

51411888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 396 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 51411888 is about 7170.2083651732. The cubic root of 51411888 is about 371.8386396952.

The spelling of 51411888 in words is "fifty-one million, four hundred eleven thousand, eight hundred eighty-eight".