51153072 has 20 divisors (see below), whose sum is σ = 132145560. Its totient is φ = 17051008.

The previous prime is 51153043. The next prime is 51153077. The reversal of 51153072 is 27035115.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (51153077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532797 + ... + 532892.

It is an arithmetic number, because the mean of its divisors is an integer number (6607278).

Almost surely, 2^51153072 is an apocalyptic number.

It is an amenable number.

51153072 is an abundant number, since it is smaller than the sum of its proper divisors (80992488).

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

51153072 is a wasteful number, since it uses less digits than its factorization.

51153072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065700 (or 1065694 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 51153072 is about 7152.1375825693. The cubic root of 51153072 is about 371.2136238435.

Adding to 51153072 its reverse (27035115), we get a palindrome (78188187).

The spelling of 51153072 in words is "fifty-one million, one hundred fifty-three thousand, seventy-two".