51030150 has 24 divisors (see below), whose sum is σ = 126555144. Its totient is φ = 13608000.

The previous prime is 51030137. The next prime is 51030179. The reversal of 51030150 is 5103015.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 169951 + ... + 170250.

It is an arithmetic number, because the mean of its divisors is an integer number (5273131).

Almost surely, 2^51030150 is an apocalyptic number.

51030150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51030150 is an abundant number, since it is smaller than the sum of its proper divisors (75524994).

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

51030150 is a wasteful number, since it uses less digits than its factorization.

51030150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340216 (or 340211 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 51030150 is about 7143.5390388798. The cubic root of 51030150 is about 370.9160404115.

Adding to 51030150 its reverse (5103015), we get a palindrome (56133165).

The spelling of 51030150 in words is "fifty-one million, thirty thousand, one hundred fifty".