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55377496297 is a prime number
BaseRepresentation
bin110011100100110000…
…011000100011101001
312021221100112021202101
4303210300120203221
51401403114340142
641235015533401
74000206644344
oct634460304351
9167840467671
1055377496297
1121538175672
12a89598a261
1352b6b90cb6
1429749b945b
151691a170b7
hexce4c188e9

55377496297 has 2 divisors, whose sum is σ = 55377496298. Its totient is φ = 55377496296.

The previous prime is 55377496261. The next prime is 55377496337. The reversal of 55377496297 is 79269477355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50815979776 + 4561516521 = 225424^2 + 67539^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55377496297 is a prime.

It is a super-2 number, since 2×553774962972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55377496397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27688748148 + 27688748149.

It is an arithmetic number, because the mean of its divisors is an integer number (27688748149).

Almost surely, 255377496297 is an apocalyptic number.

It is an amenable number.

55377496297 is a deficient number, since it is larger than the sum of its proper divisors (1).

55377496297 is an equidigital number, since it uses as much as digits as its factorization.

55377496297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100018800, while the sum is 64.

The spelling of 55377496297 in words is "fifty-five billion, three hundred seventy-seven million, four hundred ninety-six thousand, two hundred ninety-seven".