54694421 has 2 divisors, whose sum is σ = 54694422. Its totient is φ = 54694420.

The previous prime is 54694411. The next prime is 54694439. The reversal of 54694421 is 12449645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47458321 + 7236100 = 6889^2 + 2690^2 .

It is a cyclic number.

It is not a de Polignac number, because 54694421 - 2¹⁴ = 54678037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54694411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27347210 + 27347211.

It is an arithmetic number, because the mean of its divisors is an integer number (27347211).

Almost surely, 2^54694421 is an apocalyptic number.

It is an amenable number.

54694421 is a deficient number, since it is larger than the sum of its proper divisors (1).

54694421 is an equidigital number, since it uses as much as digits as its factorization.

54694421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 54694421 is about 7395.5676590780. The cubic root of 54694421 is about 379.5896331765.

The spelling of 54694421 in words is "fifty-four million, six hundred ninety-four thousand, four hundred twenty-one".