54687407 has 2 divisors, whose sum is σ = 54687408. Its totient is φ = 54687406.

The previous prime is 54687403. The next prime is 54687427. The reversal of 54687407 is 70478645.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54687407 - 2² = 54687403 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54687403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27343703 + 27343704.

It is an arithmetic number, because the mean of its divisors is an integer number (27343704).

Almost surely, 2^54687407 is an apocalyptic number.

54687407 is a deficient number, since it is larger than the sum of its proper divisors (1).

54687407 is an equidigital number, since it uses as much as digits as its factorization.

54687407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 54687407 is about 7395.0934409242. The cubic root of 54687407 is about 379.5734063203.

The spelling of 54687407 in words is "fifty-four million, six hundred eighty-seven thousand, four hundred seven".