51677372 has 24 divisors (see below), whose sum is σ = 94012800. Its totient is φ = 24828480.

The previous prime is 51677371. The next prime is 51677383. The reversal of 51677372 is 27377615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51677371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17078 + ... + 19874.

It is an arithmetic number, because the mean of its divisors is an integer number (3917200).

Almost surely, 2^51677372 is an apocalyptic number.

It is an amenable number.

51677372 is a deficient number, since it is larger than the sum of its proper divisors (42335428).

51677372 is a wasteful number, since it uses less digits than its factorization.

51677372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981 (or 2979 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 51677372 is about 7188.6975176314. The cubic root of 51677372 is about 372.4775825435.

The spelling of 51677372 in words is "fifty-one million, six hundred seventy-seven thousand, three hundred seventy-two".