51246260 has 24 divisors (see below), whose sum is σ = 115895976. Its totient is φ = 18921600.

The previous prime is 51246227. The next prime is 51246271. The reversal of 51246260 is 6264215.

It can be written as a sum of positive squares in 4 ways, for example, as 2748964 + 48497296 = 1658^2 + 6964^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98291 + ... + 98810.

It is an arithmetic number, because the mean of its divisors is an integer number (4828999).

Almost surely, 2^51246260 is an apocalyptic number.

It is an amenable number.

51246260 is an abundant number, since it is smaller than the sum of its proper divisors (64649716).

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

51246260 is a wasteful number, since it uses less digits than its factorization.

51246260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197123 (or 197121 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 51246260 is about 7158.6493139418. The cubic root of 51246260 is about 371.4389063058.

The spelling of 51246260 in words is "fifty-one million, two hundred forty-six thousand, two hundred sixty".