51736460 has 12 divisors (see below), whose sum is σ = 108646608. Its totient is φ = 20694576.

The previous prime is 51736459. The next prime is 51736463. The reversal of 51736460 is 6463715.

It is a super-2 number, since 2×51736460² = 5353322586663200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51736463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1293392 + ... + 1293431.

It is an arithmetic number, because the mean of its divisors is an integer number (9053884).

Almost surely, 2^51736460 is an apocalyptic number.

It is an amenable number.

51736460 is an abundant number, since it is smaller than the sum of its proper divisors (56910148).

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

51736460 is a wasteful number, since it uses less digits than its factorization.

51736460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586832 (or 2586830 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 51736460 is about 7192.8061283480. The cubic root of 51736460 is about 372.6194923164.

The spelling of 51736460 in words is "fifty-one million, seven hundred thirty-six thousand, four hundred sixty".