51385350 has 24 divisors (see below), whose sum is σ = 127436040. Its totient is φ = 13702720.

The previous prime is 51385337. The next prime is 51385379. The reversal of 51385350 is 5358315.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171135 + ... + 171434.

It is an arithmetic number, because the mean of its divisors is an integer number (5309835).

Almost surely, 2^51385350 is an apocalyptic number.

51385350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51385350 is an abundant number, since it is smaller than the sum of its proper divisors (76050690).

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

51385350 is a wasteful number, since it uses less digits than its factorization.

51385350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342584 (or 342579 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 51385350 is about 7168.3575524663. The cubic root of 51385350 is about 371.7746496171.

The spelling of 51385350 in words is "fifty-one million, three hundred eighty-five thousand, three hundred fifty".