51410730 has 32 divisors (see below), whose sum is σ = 141012864. Its totient is φ = 11750976.

The previous prime is 51410693. The next prime is 51410731. The reversal of 51410730 is 3701415.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51410697 and 51410706.

It is not an unprimeable number, because it can be changed into a prime (51410731) 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, 122197 + ... + 122616.

It is an arithmetic number, because the mean of its divisors is an integer number (4406652).

Almost surely, 2^51410730 is an apocalyptic number.

51410730 is an abundant number, since it is smaller than the sum of its proper divisors (89602134).

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

51410730 is a wasteful number, since it uses less digits than its factorization.

51410730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244830.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 51410730 is about 7170.1276139271. The cubic root of 51410730 is about 371.8358479130.

The spelling of 51410730 in words is "fifty-one million, four hundred ten thousand, seven hundred thirty".