51225153 has 8 divisors (see below), whose sum is σ = 78057408. Its totient is φ = 29271504.

The previous prime is 51225149. The next prime is 51225179. The reversal of 51225153 is 35152215.

It is a happy number.

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

It is not a de Polignac number, because 51225153 - 2² = 51225149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51225143) 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, 1219626 + ... + 1219667.

It is an arithmetic number, because the mean of its divisors is an integer number (9757176).

Almost surely, 2^51225153 is an apocalyptic number.

It is an amenable number.

51225153 is a deficient number, since it is larger than the sum of its proper divisors (26832255).

51225153 is a wasteful number, since it uses less digits than its factorization.

51225153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439303.

The product of its digits is 1500, while the sum is 24.

The square root of 51225153 is about 7157.1749314936. The cubic root of 51225153 is about 371.3879039654.

Adding to 51225153 its reverse (35152215), we get a palindrome (86377368).

The spelling of 51225153 in words is "fifty-one million, two hundred twenty-five thousand, one hundred fifty-three".