51654872 has 32 divisors (see below), whose sum is σ = 101882880. Its totient is φ = 24504480.

The previous prime is 51654871. The next prime is 51654877. The reversal of 51654872 is 27845615.

It is a super-3 number, since 3×51654872³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51654871) 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, 23033 + ... + 25175.

It is an arithmetic number, because the mean of its divisors is an integer number (3183840).

Almost surely, 2^51654872 is an apocalyptic number.

It is an amenable number.

51654872 is a deficient number, since it is larger than the sum of its proper divisors (50228008).

51654872 is a wasteful number, since it uses less digits than its factorization.

51654872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303 (or 2299 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 51654872 is about 7187.1323905992. The cubic root of 51654872 is about 372.4235165705.

The spelling of 51654872 in words is "fifty-one million, six hundred fifty-four thousand, eight hundred seventy-two".