51355288 has 32 divisors (see below), whose sum is σ = 102060000. Its totient is φ = 24183040.

The previous prime is 51355261. The next prime is 51355289. The reversal of 51355288 is 88255315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51355289) 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, 6813 + ... + 12211.

It is an arithmetic number, because the mean of its divisors is an integer number (3189375).

Almost surely, 2^51355288 is an apocalyptic number.

51355288 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

51355288 is a deficient number, since it is larger than the sum of its proper divisors (50704712).

51355288 is a wasteful number, since it uses less digits than its factorization.

51355288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5471 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

The square root of 51355288 is about 7166.2603915850. The cubic root of 51355288 is about 371.7021356307.

The spelling of 51355288 in words is "fifty-one million, three hundred fifty-five thousand, two hundred eighty-eight".