54213870 has 16 divisors (see below), whose sum is σ = 130113360. Its totient is φ = 14457024.

The previous prime is 54213793. The next prime is 54213899. The reversal of 54213870 is 7831245.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1807129 = 54213870 / (5 + 4 + 2 + 1 + 3 + 8 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 903535 + ... + 903594.

It is an arithmetic number, because the mean of its divisors is an integer number (8132085).

Almost surely, 2^54213870 is an apocalyptic number.

54213870 is an abundant number, since it is smaller than the sum of its proper divisors (75899490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54213870 is a wasteful number, since it uses less digits than its factorization.

54213870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807139.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 54213870 is about 7363.0068586142. The cubic root of 54213870 is about 378.4746563748.

The spelling of 54213870 in words is "fifty-four million, two hundred thirteen thousand, eight hundred seventy".