51471364 has 36 divisors (see below), whose sum is σ = 106580880. Its totient is φ = 21680400.

The previous prime is 51471353. The next prime is 51471367. The reversal of 51471364 is 46317415.

It is not an unprimeable number, because it can be changed into a prime (51471367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9339 + ... + 13789.

It is an arithmetic number, because the mean of its divisors is an integer number (2960580).

Almost surely, 2^51471364 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 51471364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53290440).

51471364 is an abundant number, since it is smaller than the sum of its proper divisors (55109516).

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

51471364 is a wasteful number, since it uses less digits than its factorization.

51471364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528 (or 4519 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 51471364 is about 7174.3546051195. The cubic root of 51471364 is about 371.9819719941.

Adding to 51471364 its reverse (46317415), we get a palindrome (97788779).

It can be divided in two parts, 5 and 1471364, that added together give a square (1471369 = 1213²).

The spelling of 51471364 in words is "fifty-one million, four hundred seventy-one thousand, three hundred sixty-four".