51151152 has 40 divisors (see below), whose sum is σ = 142306864. Its totient is φ = 15738624.

The previous prime is 51151129. The next prime is 51151153. The reversal of 51151152 is 25115115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51151153) 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, 40363 + ... + 41610.

Almost surely, 2^51151152 is an apocalyptic number.

51151152 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51151152 is an abundant number, since it is smaller than the sum of its proper divisors (91155712).

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

51151152 is a wasteful number, since it uses less digits than its factorization.

51151152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81997 (or 81991 counting only the distinct ones).

The product of its digits is 250, while the sum is 21.

The square root of 51151152 is about 7152.0033557039. The cubic root of 51151152 is about 371.2089793582.

Adding to 51151152 its reverse (25115115), we get a palindrome (76266267).

The spelling of 51151152 in words is "fifty-one million, one hundred fifty-one thousand, one hundred fifty-two".