54210557 has 4 divisors (see below), whose sum is σ = 55129440. Its totient is φ = 53291676.

The previous prime is 54210547. The next prime is 54210577. The reversal of 54210557 is 75501245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75501245 = 5 ⋅15100249.

It is a cyclic number.

It is not a de Polignac number, because 54210557 - 2⁶ = 54210493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54210547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459353 + ... + 459470.

It is an arithmetic number, because the mean of its divisors is an integer number (13782360).

Almost surely, 2^54210557 is an apocalyptic number.

It is an amenable number.

54210557 is a deficient number, since it is larger than the sum of its proper divisors (918883).

54210557 is an equidigital number, since it uses as much as digits as its factorization.

54210557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918882.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 54210557 is about 7362.7818791541. The cubic root of 54210557 is about 378.4669467113.

The spelling of 54210557 in words is "fifty-four million, two hundred ten thousand, five hundred fifty-seven".