51051352 has 48 divisors (see below), whose sum is σ = 109836720. Its totient is φ = 22186560.

The previous prime is 51051317. The next prime is 51051361. The reversal of 51051352 is 25315015.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21118 + ... + 23410.

It is an arithmetic number, because the mean of its divisors is an integer number (2288265).

Almost surely, 2^51051352 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 51051352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54918360).

51051352 is an abundant number, since it is smaller than the sum of its proper divisors (58785368).

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

51051352 is a wasteful number, since it uses less digits than its factorization.

51051352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2329 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 51051352 is about 7145.0228830984. The cubic root of 51051352 is about 370.9674026813.

Adding to 51051352 its reverse (25315015), we get a palindrome (76366367).

The spelling of 51051352 in words is "fifty-one million, fifty-one thousand, three hundred fifty-two".