54430997 has 2 divisors, whose sum is σ = 54430998. Its totient is φ = 54430996.

The previous prime is 54430993. The next prime is 54431011. The reversal of 54430997 is 79903445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44609041 + 9821956 = 6679^2 + 3134^2 .

It is a cyclic number.

It is not a de Polignac number, because 54430997 - 2² = 54430993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54430993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27215498 + 27215499.

It is an arithmetic number, because the mean of its divisors is an integer number (27215499).

Almost surely, 2^54430997 is an apocalyptic number.

It is an amenable number.

54430997 is a deficient number, since it is larger than the sum of its proper divisors (1).

54430997 is an equidigital number, since it uses as much as digits as its factorization.

54430997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 54430997 is about 7377.7365770269. The cubic root of 54430997 is about 378.9792480568.

The spelling of 54430997 in words is "fifty-four million, four hundred thirty thousand, nine hundred ninety-seven".