51148350 has 72 divisors (see below), whose sum is σ = 149925672. Its totient is φ = 12398400.

The previous prime is 51148333. The next prime is 51148351. The reversal of 51148350 is 5384115.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51148351) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 217 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (2082301).

Almost surely, 2^51148350 is an apocalyptic number.

51148350 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 51148350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74962836).

51148350 is an abundant number, since it is smaller than the sum of its proper divisors (98777322).

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

51148350 is a wasteful number, since it uses less digits than its factorization.

51148350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51148350 is about 7151.8074638514. The cubic root of 51148350 is about 371.2022011039.

The spelling of 51148350 in words is "fifty-one million, one hundred forty-eight thousand, three hundred fifty".