54136507 has 2 divisors, whose sum is σ = 54136508. Its totient is φ = 54136506.

The previous prime is 54136499. The next prime is 54136541. The reversal of 54136507 is 70563145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54136507 - 2³ = 54136499 is a prime.

It is a super-2 number, since 2×54136507² = 5861522780322098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54136597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27068253 + 27068254.

It is an arithmetic number, because the mean of its divisors is an integer number (27068254).

Almost surely, 2^54136507 is an apocalyptic number.

54136507 is a deficient number, since it is larger than the sum of its proper divisors (1).

54136507 is an equidigital number, since it uses as much as digits as its factorization.

54136507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 54136507 is about 7357.7514907749. The cubic root of 54136507 is about 378.2945433438.

The spelling of 54136507 in words is "fifty-four million, one hundred thirty-six thousand, five hundred seven".