51463392 has 48 divisors (see below), whose sum is σ = 135717120. Its totient is φ = 17075072.

The previous prime is 51463361. The next prime is 51463393. The reversal of 51463392 is 29336415.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×51463392² = 5296961432291328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51463393) 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, 21823 + ... + 24065.

It is an arithmetic number, because the mean of its divisors is an integer number (2827440).

Almost surely, 2^51463392 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 51463392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67858560).

51463392 is an abundant number, since it is smaller than the sum of its proper divisors (84253728).

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

51463392 is a wasteful number, since it uses less digits than its factorization.

51463392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2487 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 51463392 is about 7173.7989935598. The cubic root of 51463392 is about 371.9627665359.

The spelling of 51463392 in words is "fifty-one million, four hundred sixty-three thousand, three hundred ninety-two".