51670276 has 48 divisors (see below), whose sum is σ = 110992896. Its totient is φ = 20542464.

The previous prime is 51670271. The next prime is 51670277. The reversal of 51670276 is 67207615.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (51670271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34005 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (2312352).

Almost surely, 2^51670276 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 51670276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55496448).

51670276 is an abundant number, since it is smaller than the sum of its proper divisors (59322620).

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

51670276 is a wasteful number, since it uses less digits than its factorization.

51670276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588 (or 1586 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 51670276 is about 7188.2039481361. The cubic root of 51670276 is about 372.4605330316.

The spelling of 51670276 in words is "fifty-one million, six hundred seventy thousand, two hundred seventy-six".