51400600 has 24 divisors (see below), whose sum is σ = 119506860. Its totient is φ = 20560160.

The previous prime is 51400579. The next prime is 51400621. The reversal of 51400600 is 600415.

It is an interprime number because it is at equal distance from previous prime (51400579) and next prime (51400621).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128302 + ... + 128701.

Almost surely, 2^51400600 is an apocalyptic number.

51400600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51400600 is an abundant number, since it is smaller than the sum of its proper divisors (68106260).

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

51400600 is a wasteful number, since it uses less digits than its factorization.

51400600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257019 (or 257010 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51400600 is about 7169.4211760783. The cubic root of 51400600 is about 371.8114240586.

The spelling of 51400600 in words is "fifty-one million, four hundred thousand, six hundred".