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53890885 = 546323279
BaseRepresentation
bin1100110110010…
…0111101000101
310202101221101201
43031210331011
5102244002020
65203022501
71223031166
oct315447505
9122357351
1053890885
1128469024
121606aa31
13b21b3c9
14722b76d
154ae7a0a
hex3364f45

53890885 has 8 divisors (see below), whose sum is σ = 64811520. Its totient is φ = 43017744.

The previous prime is 53890883. The next prime is 53890891. The reversal of 53890885 is 58809835.

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

It is a cyclic number.

It is not a de Polignac number, because 53890885 - 21 = 53890883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53890883) 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, 9325 + ... + 13954.

It is an arithmetic number, because the mean of its divisors is an integer number (8101440).

Almost surely, 253890885 is an apocalyptic number.

It is an amenable number.

53890885 is a deficient number, since it is larger than the sum of its proper divisors (10920635).

53890885 is a wasteful number, since it uses less digits than its factorization.

53890885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23747.

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 53890885 is about 7341.0411386942. The cubic root of 53890885 is about 377.7215575860.

The spelling of 53890885 in words is "fifty-three million, eight hundred ninety thousand, eight hundred eighty-five".

Divisors: 1 5 463 2315 23279 116395 10778177 53890885