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53975886 = 238995981
BaseRepresentation
bin1100110111100…
…1101101001110
310202120020222220
43031321231032
5102304212021
65204520210
71223534046
oct315715516
9122506886
1053975886
1128516978
12160b0066
13b24acc3
147250726
154b12cc6
hex3379b4e

53975886 has 8 divisors (see below), whose sum is σ = 107951784. Its totient is φ = 17991960.

The previous prime is 53975863. The next prime is 53975893. The reversal of 53975886 is 68857935.

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

53975886 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4497985 + ... + 4497996.

It is an arithmetic number, because the mean of its divisors is an integer number (13493973).

Almost surely, 253975886 is an apocalyptic number.

53975886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53975886 is a wasteful number, since it uses less digits than its factorization.

53975886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995986.

The product of its digits is 1814400, while the sum is 51.

The square root of 53975886 is about 7346.8282952578. The cubic root of 53975886 is about 377.9200441172.

The spelling of 53975886 in words is "fifty-three million, nine hundred seventy-five thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 8995981 17991962 26987943 53975886