54372551 has 2 divisors, whose sum is σ = 54372552. Its totient is φ = 54372550.

The previous prime is 54372523. The next prime is 54372559. The reversal of 54372551 is 15527345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54372551 - 2¹⁴ = 54356167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54372559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27186275 + 27186276.

It is an arithmetic number, because the mean of its divisors is an integer number (27186276).

Almost surely, 2^54372551 is an apocalyptic number.

54372551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54372551 is an equidigital number, since it uses as much as digits as its factorization.

54372551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 54372551 is about 7373.7745422545. The cubic root of 54372551 is about 378.8435548245.

Adding to 54372551 its reverse (15527345), we get a palindrome (69899896).

The spelling of 54372551 in words is "fifty-four million, three hundred seventy-two thousand, five hundred fifty-one".