51148356 has 72 divisors (see below), whose sum is σ = 142644096. Its totient is φ = 14212800.

The previous prime is 51148351. The next prime is 51148367. The reversal of 51148356 is 65384115.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (14400) is a multiple of the sum of its prime divisors (2400).

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20581 + ... + 22931.

It is an arithmetic number, because the mean of its divisors is an integer number (1981168).

Almost surely, 2^51148356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51148356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71322048).

51148356 is an abundant number, since it is smaller than the sum of its proper divisors (91495740).

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

51148356 is a wasteful number, since it uses less digits than its factorization.

51148356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2400 counting only the distinct ones).

The product of its digits is 14400, while the sum is 33.

The square root of 51148356 is about 7151.8078833257. The cubic root of 51148356 is about 371.2022156186.

The spelling of 51148356 in words is "fifty-one million, one hundred forty-eight thousand, three hundred fifty-six".