54813907 has 2 divisors, whose sum is σ = 54813908. Its totient is φ = 54813906.

The previous prime is 54813883. The next prime is 54813911. The reversal of 54813907 is 70931845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54813907 is a prime.

It is not a weakly prime, because it can be changed into another prime (54816907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27406953 + 27406954.

It is an arithmetic number, because the mean of its divisors is an integer number (27406954).

Almost surely, 2^54813907 is an apocalyptic number.

54813907 is a deficient number, since it is larger than the sum of its proper divisors (1).

54813907 is an equidigital number, since it uses as much as digits as its factorization.

54813907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 54813907 is about 7403.6414688989. The cubic root of 54813907 is about 379.8658506161.

The spelling of 54813907 in words is "fifty-four million, eight hundred thirteen thousand, nine hundred seven".