51270150 has 48 divisors (see below), whose sum is σ = 128116800. Its totient is φ = 13568160.

The previous prime is 51270143. The next prime is 51270157. The reversal of 51270150 is 5107215.

It is an interprime number because it is at equal distance from previous prime (51270143) and next prime (51270157).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51270157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19621 + ... + 22079.

It is an arithmetic number, because the mean of its divisors is an integer number (2669100).

Almost surely, 2^51270150 is an apocalyptic number.

51270150 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 51270150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64058400).

51270150 is an abundant number, since it is smaller than the sum of its proper divisors (76846650).

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

51270150 is a wasteful number, since it uses less digits than its factorization.

51270150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 51270150 is about 7160.3177303804. The cubic root of 51270150 is about 371.4966165135.

Adding to 51270150 its reverse (5107215), we get a palindrome (56377365).

The spelling of 51270150 in words is "fifty-one million, two hundred seventy thousand, one hundred fifty".