51280710 has 32 divisors (see below), whose sum is σ = 132541920. Its totient is φ = 12622848.

The previous prime is 51280693. The next prime is 51280711. The reversal of 51280710 is 1708215.

It is a super-2 number, since 2×51280710² = 5259422436208200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51280711) 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, 65355 + ... + 66134.

It is an arithmetic number, because the mean of its divisors is an integer number (4141935).

Almost surely, 2^51280710 is an apocalyptic number.

51280710 is an abundant number, since it is smaller than the sum of its proper divisors (81261210).

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

51280710 is a wasteful number, since it uses less digits than its factorization.

51280710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131512.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 51280710 is about 7161.0550898593. The cubic root of 51280710 is about 371.5221202095.

Adding to 51280710 its reverse (1708215), we get a palindrome (52988925).

The spelling of 51280710 in words is "fifty-one million, two hundred eighty thousand, seven hundred ten".