51524352 has 216 divisors, whose sum is σ = 172186560. Its totient is φ = 14653440.

The previous prime is 51524339. The next prime is 51524359. The reversal of 51524352 is 25342515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51524359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481483 + ... + 481589.

It is an arithmetic number, because the mean of its divisors is an integer number (797160).

Almost surely, 2^51524352 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 51524352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86093280).

51524352 is an abundant number, since it is smaller than the sum of its proper divisors (120662208).

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

51524352 is a wasteful number, since it uses less digits than its factorization.

51524352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 142 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 51524352 is about 7178.0465309163. The cubic root of 51524352 is about 372.1095757675.

Adding to 51524352 its reverse (25342515), we get a palindrome (76866867).

The spelling of 51524352 in words is "fifty-one million, five hundred twenty-four thousand, three hundred fifty-two".