51024150 has 72 divisors (see below), whose sum is σ = 139102704. Its totient is φ = 13406400.

The previous prime is 51024067. The next prime is 51024161. The reversal of 51024150 is 5142015.

51024150 is a `hidden beast` number, since 510 + 2 + 4 + 150 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31152 + ... + 32748.

It is an arithmetic number, because the mean of its divisors is an integer number (1931982).

Almost surely, 2^51024150 is an apocalyptic number.

51024150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51024150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69551352).

51024150 is an abundant number, since it is smaller than the sum of its proper divisors (88078554).

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

51024150 is a wasteful number, since it uses less digits than its factorization.

51024150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 51024150 is about 7143.1190666263. The cubic root of 51024150 is about 370.9015027086.

Adding to 51024150 its reverse (5142015), we get a palindrome (56166165).

The spelling of 51024150 in words is "fifty-one million, twenty-four thousand, one hundred fifty".