Search a number
-
+
53455903 = 297923333
BaseRepresentation
bin1100101111101…
…0110000011111
310201120211201021
43023322300133
5102141042103
65145425011
71216240054
oct313726037
9121524637
1053455903
11281a1236
1215a9b167
13b0c8417
14715702b
154a5dbbd
hex32fac1f

53455903 has 8 divisors (see below), whose sum is σ = 56001600. Its totient is φ = 50957088.

The previous prime is 53455879. The next prime is 53455931. The reversal of 53455903 is 30955435.

It is a happy number.

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-53455903 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 (53455943) 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, 9376 + ... + 13957.

It is an arithmetic number, because the mean of its divisors is an integer number (7000200).

Almost surely, 253455903 is an apocalyptic number.

53455903 is a deficient number, since it is larger than the sum of its proper divisors (2545697).

53455903 is a wasteful number, since it uses less digits than its factorization.

53455903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441.

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 53455903 is about 7311.3543888940. The cubic root of 53455903 is about 376.7025471167.

The spelling of 53455903 in words is "fifty-three million, four hundred fifty-five thousand, nine hundred three".

Divisors: 1 29 79 2291 23333 676657 1843307 53455903