54266657 has 4 divisors (see below), whose sum is σ = 55590276. Its totient is φ = 52943040.

The previous prime is 54266633. The next prime is 54266671. The reversal of 54266657 is 75666245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 53567761 = 836^2 + 7319^2 .

It is a cyclic number.

It is not a de Polignac number, because 54266657 - 2¹⁸ = 54004513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1323577 = 54266657 / (5 + 4 + 2 + 6 + 6 + 6 + 5 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54266617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661748 + ... + 661829.

It is an arithmetic number, because the mean of its divisors is an integer number (13897569).

Almost surely, 2^54266657 is an apocalyptic number.

It is an amenable number.

54266657 is a deficient number, since it is larger than the sum of its proper divisors (1323619).

54266657 is a wasteful number, since it uses less digits than its factorization.

54266657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323618.

The product of its digits is 302400, while the sum is 41.

The square root of 54266657 is about 7366.5905953840. The cubic root of 54266657 is about 378.5974543534.

The spelling of 54266657 in words is "fifty-four million, two hundred sixty-six thousand, six hundred fifty-seven".