51380510 has 16 divisors (see below), whose sum is σ = 92695536. Its totient is φ = 20505408.

The previous prime is 51380471. The next prime is 51380513. The reversal of 51380510 is 1508315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51380513) 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, 1052 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (5793471).

Almost surely, 2^51380510 is an apocalyptic number.

51380510 is a deficient number, since it is larger than the sum of its proper divisors (41315026).

51380510 is a wasteful number, since it uses less digits than its factorization.

51380510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11707.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 51380510 is about 7168.0199497490. The cubic root of 51380510 is about 371.7629767324.

Adding to 51380510 its reverse (1508315), we get a palindrome (52888825).

The spelling of 51380510 in words is "fifty-one million, three hundred eighty thousand, five hundred ten".