51703400 has 48 divisors (see below), whose sum is σ = 137387040. Its totient is φ = 17726400.

The previous prime is 51703373. The next prime is 51703403. The reversal of 51703400 is 430715.

It is a happy number.

51703400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (51703403) 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 11 ways as a sum of consecutive naturals, for example, 17066 + ... + 19865.

It is an arithmetic number, because the mean of its divisors is an integer number (2862230).

Almost surely, 2^51703400 is an apocalyptic number.

51703400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51703400 is an abundant number, since it is smaller than the sum of its proper divisors (85683640).

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

51703400 is a wasteful number, since it uses less digits than its factorization.

51703400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36954 (or 36945 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 51703400 is about 7190.5076315932. The cubic root of 51703400 is about 372.5401064875.

The spelling of 51703400 in words is "fifty-one million, seven hundred three thousand, four hundred".