61775050 has 12 divisors (see below), whose sum is σ = 114901686. Its totient is φ = 24710000.

The previous prime is 61775029. The next prime is 61775053. The reversal of 61775050 is 5057716.

It can be written as a sum of positive squares in 3 ways, for example, as 51681721 + 10093329 = 7189^2 + 3177^2 .

It is not an unprimeable number, because it can be changed into a prime (61775053) 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, 617701 + ... + 617800.

Almost surely, 2^61775050 is an apocalyptic number.

61775050 is a deficient number, since it is larger than the sum of its proper divisors (53126636).

61775050 is a wasteful number, since it uses less digits than its factorization.

61775050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235513 (or 1235508 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 61775050 is about 7859.7105544670. The cubic root of 61775050 is about 395.3099100738.

The spelling of 61775050 in words is "sixty-one million, seven hundred seventy-five thousand, fifty".