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54564031 = 893071997
BaseRepresentation
bin1101000000100…
…1010010111111
310210200010210001
43100021102333
5102432022111
65225255131
71231533544
oct320112277
9123603701
1054564031
1128888845
12163344a7
13b3c5912
147364bcb
154bcc1c1
hex34094bf

54564031 has 8 divisors (see below), whose sum is σ = 55384560. Its totient is φ = 53748288.

The previous prime is 54563987. The next prime is 54564049. The reversal of 54564031 is 13046545.

54564031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-54564031 is a prime.

It is a super-2 number, since 2×545640312 = 5954466957937922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54564091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26325 + ... + 28321.

It is an arithmetic number, because the mean of its divisors is an integer number (6923070).

Almost surely, 254564031 is an apocalyptic number.

54564031 is a deficient number, since it is larger than the sum of its proper divisors (820529).

54564031 is a wasteful number, since it uses less digits than its factorization.

54564031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 54564031 is about 7386.7469836187. The cubic root of 54564031 is about 379.2877493958.

The spelling of 54564031 in words is "fifty-four million, five hundred sixty-four thousand, thirty-one".

Divisors: 1 89 307 1997 27323 177733 613079 54564031