51342572 has 12 divisors (see below), whose sum is σ = 92748096. Its totient is φ = 24843120.

The previous prime is 51342553. The next prime is 51342581. The reversal of 51342572 is 27524315.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206903 + ... + 207150.

It is an arithmetic number, because the mean of its divisors is an integer number (7729008).

Almost surely, 2^51342572 is an apocalyptic number.

It is an amenable number.

51342572 is a deficient number, since it is larger than the sum of its proper divisors (41405524).

51342572 is a wasteful number, since it uses less digits than its factorization.

51342572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414088 (or 414086 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 51342572 is about 7165.3731235714. The cubic root of 51342572 is about 371.6714542429.

Adding to 51342572 its reverse (27524315), we get a palindrome (78866887).

The spelling of 51342572 in words is "fifty-one million, three hundred forty-two thousand, five hundred seventy-two".