51089148 has 72 divisors (see below), whose sum is σ = 149189040. Its totient is φ = 14568960.

The previous prime is 51089113. The next prime is 51089153. The reversal of 51089148 is 84198015.

It is a super-2 number, since 2×51089148² = 5220202086731808, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2938 + ... + 10526.

It is an arithmetic number, because the mean of its divisors is an integer number (2072070).

Almost surely, 2^51089148 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 51089148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74594520).

51089148 is an abundant number, since it is smaller than the sum of its proper divisors (98099892).

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

51089148 is a wasteful number, since it uses less digits than its factorization.

51089148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7627 (or 7622 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 51089148 is about 7147.6673117878. The cubic root of 51089148 is about 371.0589289886.

The spelling of 51089148 in words is "fifty-one million, eighty-nine thousand, one hundred forty-eight".