54806551 has 2 divisors, whose sum is σ = 54806552. Its totient is φ = 54806550.

The previous prime is 54806519. The next prime is 54806567. The reversal of 54806551 is 15560845.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54806551 - 2⁵ = 54806519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54806501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27403275 + 27403276.

It is an arithmetic number, because the mean of its divisors is an integer number (27403276).

Almost surely, 2^54806551 is an apocalyptic number.

54806551 is a deficient number, since it is larger than the sum of its proper divisors (1).

54806551 is an equidigital number, since it uses as much as digits as its factorization.

54806551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 54806551 is about 7403.1446696657. The cubic root of 54806551 is about 379.8488572510.

It can be divided in two parts, 54806 and 551, that multiplied together give a triangular number (30198106 = T₇₇₇₁).

The spelling of 54806551 in words is "fifty-four million, eight hundred six thousand, five hundred fifty-one".