51013152 has 60 divisors (see below), whose sum is σ = 150035886. Its totient is φ = 17003520.

The previous prime is 51013129. The next prime is 51013159. The reversal of 51013152 is 25131015.

51013152 is a `hidden beast` number, since 510 + 1 + 3 + 152 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28772496 + 22240656 = 5364^2 + 4716^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (51013159) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7249 + ... + 12432.

Almost surely, 2^51013152 is an apocalyptic number.

It is an amenable number.

51013152 is an abundant number, since it is smaller than the sum of its proper divisors (99022734).

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

51013152 is a wasteful number, since it uses less digits than its factorization.

51013152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19703 (or 19686 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 51013152 is about 7142.3491933677. The cubic root of 51013152 is about 370.8748521399.

Adding to 51013152 its reverse (25131015), we get a palindrome (76144167).

The spelling of 51013152 in words is "fifty-one million, thirteen thousand, one hundred fifty-two".