Search a number
-
+
54690497 = 59991303
BaseRepresentation
bin1101000010100…
…0001011000001
310210220120020222
43100220023001
5103000043442
65232112425
71232601341
oct320501301
9123816228
1054690497
1128964864
1216395715
13b43b354
147398d21
154c048d2
hex34282c1

54690497 has 4 divisors (see below), whose sum is σ = 54782400. Its totient is φ = 54598596.

The previous prime is 54690473. The next prime is 54690499. The reversal of 54690497 is 79409645.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54690497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54690499) 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, 45053 + ... + 46250.

It is an arithmetic number, because the mean of its divisors is an integer number (13695600).

Almost surely, 254690497 is an apocalyptic number.

It is an amenable number.

54690497 is a deficient number, since it is larger than the sum of its proper divisors (91903).

54690497 is an equidigital number, since it uses as much as digits as its factorization.

54690497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91902.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 54690497 is about 7395.3023602825. The cubic root of 54690497 is about 379.5805551918.

The spelling of 54690497 in words is "fifty-four million, six hundred ninety thousand, four hundred ninety-seven".

Divisors: 1 599 91303 54690497