54072913 has 2 divisors, whose sum is σ = 54072914. Its totient is φ = 54072912.

The previous prime is 54072883. The next prime is 54072919. The reversal of 54072913 is 31927045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 13010449 = 6408^2 + 3607^2 .

It is a cyclic number.

It is not a de Polignac number, because 54072913 - 2²¹ = 51975761 is a prime.

It is not a weakly prime, because it can be changed into another prime (54072919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27036456 + 27036457.

It is an arithmetic number, because the mean of its divisors is an integer number (27036457).

Almost surely, 2^54072913 is an apocalyptic number.

It is an amenable number.

54072913 is a deficient number, since it is larger than the sum of its proper divisors (1).

54072913 is an equidigital number, since it uses as much as digits as its factorization.

54072913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 54072913 is about 7353.4286560760. The cubic root of 54072913 is about 378.1463581315.

Adding to 54072913 its reverse (31927045), we get a palindrome (85999958).

The spelling of 54072913 in words is "fifty-four million, seventy-two thousand, nine hundred thirteen".