54520451 has 2 divisors, whose sum is σ = 54520452. Its totient is φ = 54520450.

The previous prime is 54520439. The next prime is 54520469. The reversal of 54520451 is 15402545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54520451 - 2¹⁸ = 54258307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54520451.

It is not a weakly prime, because it can be changed into another prime (54520471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27260225 + 27260226.

It is an arithmetic number, because the mean of its divisors is an integer number (27260226).

Almost surely, 2^54520451 is an apocalyptic number.

54520451 is a deficient number, since it is larger than the sum of its proper divisors (1).

54520451 is an equidigital number, since it uses as much as digits as its factorization.

54520451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 54520451 is about 7383.7965166979. The cubic root of 54520451 is about 379.1867441340.

Adding to 54520451 its reverse (15402545), we get a palindrome (69922996).

The spelling of 54520451 in words is "fifty-four million, five hundred twenty thousand, four hundred fifty-one".