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54407415431 is a prime number
BaseRepresentation
bin110010101010111011…
…110100011010000111
312012102202011001222102
4302222323310122013
51342411244243211
640554443422315
73634160254265
oct625273643207
9165382131872
1054407415431
112108a627546
12a664b2499b
135190bcb055
1428c1c19435
151636795a3b
hexcaaef4687

54407415431 has 2 divisors, whose sum is σ = 54407415432. Its totient is φ = 54407415430.

The previous prime is 54407415373. The next prime is 54407415437. The reversal of 54407415431 is 13451470445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54407415431 - 26 = 54407415367 is a prime.

It is a super-2 number, since 2×544074154312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54407415437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27203707715 + 27203707716.

It is an arithmetic number, because the mean of its divisors is an integer number (27203707716).

Almost surely, 254407415431 is an apocalyptic number.

54407415431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54407415431 is an equidigital number, since it uses as much as digits as its factorization.

54407415431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 54407415431 its reverse (13451470445), we get a palindrome (67858885876).

The spelling of 54407415431 in words is "fifty-four billion, four hundred seven million, four hundred fifteen thousand, four hundred thirty-one".