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53992903 = 364314821
BaseRepresentation
bin1100110111110…
…1110111000111
310202121010100011
43031331313013
5102310233103
65205131051
71223634466
oct315756707
9122533304
1053992903
1128528738
12160b9a87
13b255983
1472569dd
154b17d6d
hex337ddc7

53992903 has 4 divisors (see below), whose sum is σ = 54011368. Its totient is φ = 53974440.

The previous prime is 53992871. The next prime is 53992921. The reversal of 53992903 is 30929935.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53992903 - 25 = 53992871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53992943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768 + ... + 11053.

It is an arithmetic number, because the mean of its divisors is an integer number (13502842).

Almost surely, 253992903 is an apocalyptic number.

53992903 is a deficient number, since it is larger than the sum of its proper divisors (18465).

53992903 is a wasteful number, since it uses less digits than its factorization.

53992903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18464.

The product of its (nonzero) digits is 65610, while the sum is 40.

The square root of 53992903 is about 7347.9863227962. The cubic root of 53992903 is about 377.9597556139.

The spelling of 53992903 in words is "fifty-three million, nine hundred ninety-two thousand, nine hundred three".

Divisors: 1 3643 14821 53992903