51756150 has 24 divisors (see below), whose sum is σ = 128355624. Its totient is φ = 13801600.

The previous prime is 51756113. The next prime is 51756163. The reversal of 51756150 is 5165715.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172371 + ... + 172670.

It is an arithmetic number, because the mean of its divisors is an integer number (5348151).

Almost surely, 2^51756150 is an apocalyptic number.

51756150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51756150 is an abundant number, since it is smaller than the sum of its proper divisors (76599474).

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

51756150 is a wasteful number, since it uses less digits than its factorization.

51756150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345056 (or 345051 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 51756150 is about 7194.1747268189. The cubic root of 51756150 is about 372.6667571610. Note that the first 3 decimals are identical.

It can be divided in two parts, 5175 and 6150, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 51756150 in words is "fifty-one million, seven hundred fifty-six thousand, one hundred fifty".