51630760 has 32 divisors (see below), whose sum is σ = 116834400. Its totient is φ = 20534080.

The previous prime is 51630757. The next prime is 51630763. The reversal of 51630760 is 6703615.

It is an interprime number because it is at equal distance from previous prime (51630757) and next prime (51630763).

It is not an unprimeable number, because it can be changed into a prime (51630763) 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, 3555 + ... + 10765.

It is an arithmetic number, because the mean of its divisors is an integer number (3651075).

Almost surely, 2^51630760 is an apocalyptic number.

It is an amenable number.

51630760 is an abundant number, since it is smaller than the sum of its proper divisors (65203640).

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

51630760 is a wasteful number, since it uses less digits than its factorization.

51630760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7401 (or 7397 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 51630760 is about 7185.4547524844. The cubic root of 51630760 is about 372.3655596403.

The spelling of 51630760 in words is "fifty-one million, six hundred thirty thousand, seven hundred sixty".