51765050 has 12 divisors (see below), whose sum is σ = 96283086. Its totient is φ = 20706000.

The previous prime is 51765037. The next prime is 51765053. The reversal of 51765050 is 5056715.

It can be written as a sum of positive squares in 3 ways, for example, as 24631369 + 27133681 = 4963^2 + 5209^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51765053) 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, 517601 + ... + 517700.

Almost surely, 2^51765050 is an apocalyptic number.

51765050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51765050 is a deficient number, since it is larger than the sum of its proper divisors (44518036).

51765050 is a wasteful number, since it uses less digits than its factorization.

51765050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035313 (or 1035308 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 51765050 is about 7194.7932562375. The cubic root of 51765050 is about 372.6881172251.

The spelling of 51765050 in words is "fifty-one million, seven hundred sixty-five thousand, fifty".