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50765625 = 3256192
BaseRepresentation
bin1100000110100…
…1111100111001
310112112011100100
43001221330321
5100444000000
65012030013
71154333511
oct301517471
9115464310
1050765625
1126723a69
1215002309
13a695a41
146a56841
1546cba00
hex3069f39

50765625 has 63 divisors (see below), whose sum is σ = 96737043. Its totient is φ = 25650000.

The previous prime is 50765567. The next prime is 50765633. The reversal of 50765625 is 52656705.

The square root of 50765625 is 7125.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 44475561 + 6290064 = 6669^2 + 2508^2 .

It is not a de Polignac number, because 50765625 - 213 = 50757433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50765625.

It is an unprimeable number.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 2671866 + ... + 2671884.

Almost surely, 250765625 is an apocalyptic number.

50765625 is the 7125-th square number.

50765625 is the 3563-rd centered octagonal number.

It is an amenable number.

50765625 is a deficient number, since it is larger than the sum of its proper divisors (45971418).

50765625 is an frugal number, since it uses more digits than its factorization.

50765625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 27 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The cubic root of 50765625 is about 370.2740239360.

Multiplying 50765625 by its sum of digits (36), we get a square (1827562500 = 427502).

It can be divided in two parts, 5076 and 5625, that added together give a palindrome (10701).

The spelling of 50765625 in words is "fifty million, seven hundred sixty-five thousand, six hundred twenty-five".