51260900 has 18 divisors (see below), whose sum is σ = 111236370. Its totient is φ = 20504320.

The previous prime is 51260897. The next prime is 51260903. The reversal of 51260900 is 906215.

51260900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51260897) and next prime (51260903).

It can be written as a sum of positive squares in 3 ways, for example, as 7806436 + 43454464 = 2794^2 + 6592^2 .

It is not an unprimeable number, because it can be changed into a prime (51260903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256205 + ... + 256404.

Almost surely, 2^51260900 is an apocalyptic number.

51260900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51260900 is an abundant number, since it is smaller than the sum of its proper divisors (59975470).

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

51260900 is a wasteful number, since it uses less digits than its factorization.

51260900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512623 (or 512616 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 51260900 is about 7159.6717801866. The cubic root of 51260900 is about 371.4742737508.

The spelling of 51260900 in words is "fifty-one million, two hundred sixty thousand, nine hundred".