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53797541 = 721097909
BaseRepresentation
bin1100110100111…
…0001010100101
310202020012100112
43031032022211
5102233010131
65201022405
71222162100
oct315161245
9122205315
1053797541
1128404986
1216024a05
13b1b7a85
147205737
154aca02b
hex334e2a5

53797541 has 6 divisors (see below), whose sum is σ = 62580870. Its totient is φ = 46112136.

The previous prime is 53797517. The next prime is 53797543. The reversal of 53797541 is 14579735.

53797541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38812900 + 14984641 = 6230^2 + 3871^2 .

It is a de Polignac number, because none of the positive numbers 2k-53797541 is a prime.

It is a super-3 number, since 3×537975413 (a number of 24 digits) contains 333 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 (53797543) 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 5 ways as a sum of consecutive naturals, for example, 548906 + ... + 549003.

It is an arithmetic number, because the mean of its divisors is an integer number (10430145).

Almost surely, 253797541 is an apocalyptic number.

It is an amenable number.

53797541 is a deficient number, since it is larger than the sum of its proper divisors (8783329).

53797541 is a wasteful number, since it uses less digits than its factorization.

53797541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097923 (or 1097916 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 53797541 is about 7334.6807019801. The cubic root of 53797541 is about 377.5033486538.

The spelling of 53797541 in words is "fifty-three million, seven hundred ninety-seven thousand, five hundred forty-one".

Divisors: 1 7 49 1097909 7685363 53797541