51050356 has 18 divisors (see below), whose sum is σ = 103924338. Its totient is φ = 21878640.

The previous prime is 51050341. The next prime is 51050357. The reversal of 51050356 is 65305015.

It can be written as a sum of positive squares in only one way, i.e., 50979600 + 70756 = 7140^2 + 266^2 .

It is a super-2 number, since 2×51050356² = 5212277695453472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51050356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51050357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130035 + ... + 130426.

Almost surely, 2^51050356 is an apocalyptic number.

It is an amenable number.

51050356 is an abundant number, since it is smaller than the sum of its proper divisors (52873982).

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

51050356 is a wasteful number, since it uses less digits than its factorization.

51050356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260479 (or 260470 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 51050356 is about 7144.9531838914. The cubic root of 51050356 is about 370.9649901697.

The spelling of 51050356 in words is "fifty-one million, fifty thousand, three hundred fifty-six".