51161352 has 32 divisors (see below), whose sum is σ = 139531680. Its totient is φ = 15503360.

The previous prime is 51161323. The next prime is 51161353. The reversal of 51161352 is 25316115.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51161353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96633 + ... + 97160.

It is an arithmetic number, because the mean of its divisors is an integer number (4360365).

Almost surely, 2^51161352 is an apocalyptic number.

It is an amenable number.

51161352 is an abundant number, since it is smaller than the sum of its proper divisors (88370328).

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

51161352 is a wasteful number, since it uses less digits than its factorization.

51161352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193813 (or 193809 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 51161352 is about 7152.7164070722. The cubic root of 51161352 is about 371.2336518552.

Adding to 51161352 its reverse (25316115), we get a palindrome (76477467).

The spelling of 51161352 in words is "fifty-one million, one hundred sixty-one thousand, three hundred fifty-two".