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54372457 is a prime number
BaseRepresentation
bin1100111101101…
…0100001101001
310210022101222201
43033122201221
5102404404312
65221220201
71230105166
oct317324151
9123271881
1054372457
1128767917
1216261661
13b359669
14731506d
154b90557
hex33da869

54372457 has 2 divisors, whose sum is σ = 54372458. Its totient is φ = 54372456.

The previous prime is 54372431. The next prime is 54372469. The reversal of 54372457 is 75427345.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 19927296 = 5869^2 + 4464^2 .

It is a cyclic number.

It is not a de Polignac number, because 54372457 - 223 = 45983849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54372407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27186228 + 27186229.

It is an arithmetic number, because the mean of its divisors is an integer number (27186229).

Almost surely, 254372457 is an apocalyptic number.

It is an amenable number.

54372457 is a deficient number, since it is larger than the sum of its proper divisors (1).

54372457 is an equidigital number, since it uses as much as digits as its factorization.

54372457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 117600, while the sum is 37.

The square root of 54372457 is about 7373.7681683112. The cubic root of 54372457 is about 378.8433365078.

The spelling of 54372457 in words is "fifty-four million, three hundred seventy-two thousand, four hundred fifty-seven".