51672276 has 96 divisors (see below), whose sum is σ = 140362880. Its totient is φ = 16422912.

The previous prime is 51672251. The next prime is 51672281. The reversal of 51672276 is 67227615.

51672276 is a `hidden beast` number, since 516 + 72 + 2 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51672276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267636 + ... + 267828.

Almost surely, 2^51672276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51672276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70181440).

51672276 is an abundant number, since it is smaller than the sum of its proper divisors (88690604).

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

51672276 is a wasteful number, since it uses less digits than its factorization.

51672276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 302 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 51672276 is about 7188.3430635996. The cubic root of 51672276 is about 372.4653385762.

51672276 divided by its sum of digits (36) gives a palindrome (1435341).

The spelling of 51672276 in words is "fifty-one million, six hundred seventy-two thousand, two hundred seventy-six".