51225574 has 8 divisors (see below), whose sum is σ = 76901328. Its totient is φ = 25591800.

The previous prime is 51225569. The next prime is 51225583. The reversal of 51225574 is 47552215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 7242 + ... + 12445.

It is an arithmetic number, because the mean of its divisors is an integer number (9612666).

Almost surely, 2^51225574 is an apocalyptic number.

51225574 is a deficient number, since it is larger than the sum of its proper divisors (25675754).

51225574 is a wasteful number, since it uses less digits than its factorization.

51225574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20990.

The product of its digits is 14000, while the sum is 31.

The square root of 51225574 is about 7157.2043424790. The cubic root of 51225574 is about 371.3889213944.

Adding to 51225574 its reverse (47552215), we get a palindrome (98777789).

It can be divided in two parts, 51 and 225574, that added together give a square (225625 = 475²).

The spelling of 51225574 in words is "fifty-one million, two hundred twenty-five thousand, five hundred seventy-four".