51796992 has 88 divisors (see below), whose sum is σ = 148792336. Its totient is φ = 15925248.

The previous prime is 51796973. The next prime is 51796993. The reversal of 51796992 is 29969715.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51796993) 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, 39288 + ... + 40584.

It is an arithmetic number, because the mean of its divisors is an integer number (1690822).

Almost surely, 2^51796992 is an apocalyptic number.

51796992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51796992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74396168).

51796992 is an abundant number, since it is smaller than the sum of its proper divisors (96995344).

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

51796992 is a wasteful number, since it uses less digits than its factorization.

51796992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1315 counting only the distinct ones).

The product of its digits is 306180, while the sum is 48.

The square root of 51796992 is about 7197.0127136195. The cubic root of 51796992 is about 372.7647580997.

The spelling of 51796992 in words is "fifty-one million, seven hundred ninety-six thousand, nine hundred ninety-two".