54890487 has 32 divisors (see below), whose sum is σ = 86931200. Its totient is φ = 34128864.

The previous prime is 54890477. The next prime is 54890509. The reversal of 54890487 is 78409845.

It is not a de Polignac number, because 54890487 - 2¹⁴ = 54874103 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 (54890447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33573 + ... + 35169.

It is an arithmetic number, because the mean of its divisors is an integer number (2716600).

Almost surely, 2^54890487 is an apocalyptic number.

54890487 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

54890487 is a deficient number, since it is larger than the sum of its proper divisors (32040713).

54890487 is a wasteful number, since it uses less digits than its factorization.

54890487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 54890487 is about 7408.8114431399. The cubic root of 54890487 is about 380.0426706469.

The spelling of 54890487 in words is "fifty-four million, eight hundred ninety thousand, four hundred eighty-seven".