54736387 has 4 divisors (see below), whose sum is σ = 55553416. Its totient is φ = 53919360.

The previous prime is 54736373. The next prime is 54736403. The reversal of 54736387 is 78363745.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78363745 = 5 ⋅15672749.

It is a cyclic number.

It is not a de Polignac number, because 54736387 - 2¹⁵ = 54703619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54736687) 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, 408414 + ... + 408547.

It is an arithmetic number, because the mean of its divisors is an integer number (13888354).

Almost surely, 2^54736387 is an apocalyptic number.

54736387 is a deficient number, since it is larger than the sum of its proper divisors (817029).

54736387 is an equidigital number, since it uses as much as digits as its factorization.

54736387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817028.

The product of its digits is 423360, while the sum is 43.

The square root of 54736387 is about 7398.4043549944. The cubic root of 54736387 is about 379.6866923510.

The spelling of 54736387 in words is "fifty-four million, seven hundred thirty-six thousand, three hundred eighty-seven".