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53780801 = 591934723
BaseRepresentation
bin1100110100101…
…0000101000001
310202012100101112
43031022011001
5102231441201
65200413105
71222062224
oct315120501
9122170345
1053780801
11283a3348
1216017195
13b1b0279
1471dd5bb
154ac50bb
hex334a141

53780801 has 8 divisors (see below), whose sum is σ = 54987360. Its totient is φ = 52584192.

The previous prime is 53780791. The next prime is 53780813. The reversal of 53780801 is 10808735.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53780801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53780851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9026 + ... + 13748.

It is an arithmetic number, because the mean of its divisors is an integer number (6873420).

Almost surely, 253780801 is an apocalyptic number.

It is an amenable number.

53780801 is a deficient number, since it is larger than the sum of its proper divisors (1206559).

53780801 is a wasteful number, since it uses less digits than its factorization.

53780801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 53780801 is about 7333.5394592243. The cubic root of 53780801 is about 377.4641891091.

The spelling of 53780801 in words is "fifty-three million, seven hundred eighty thousand, eight hundred one".

Divisors: 1 59 193 4723 11387 278657 911539 53780801