51545352 has 32 divisors (see below), whose sum is σ = 129074400. Its totient is φ = 17153664.

The previous prime is 51545341. The next prime is 51545353. The reversal of 51545352 is 25354515.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51545353) 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, 17524 + ... + 20252.

It is an arithmetic number, because the mean of its divisors is an integer number (4033575).

Almost surely, 2^51545352 is an apocalyptic number.

It is an amenable number.

51545352 is an abundant number, since it is smaller than the sum of its proper divisors (77529048).

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

51545352 is a wasteful number, since it uses less digits than its factorization.

51545352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525 (or 3521 counting only the distinct ones).

The product of its digits is 15000, while the sum is 30.

The square root of 51545352 is about 7179.5091754242. The cubic root of 51545352 is about 372.1601229968.

Adding to 51545352 its reverse (25354515), we get a palindrome (76899867).

The spelling of 51545352 in words is "fifty-one million, five hundred forty-five thousand, three hundred fifty-two".