54021594 has 16 divisors (see below), whose sum is σ = 117865440. Its totient is φ = 16370160.

The previous prime is 54021593. The next prime is 54021601. The reversal of 54021594 is 49512045.

It is not an unprimeable number, because it can be changed into a prime (54021593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409189 + ... + 409320.

It is an arithmetic number, because the mean of its divisors is an integer number (7366590).

Almost surely, 2^54021594 is an apocalyptic number.

54021594 is an abundant number, since it is smaller than the sum of its proper divisors (63843846).

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

54021594 is a wasteful number, since it uses less digits than its factorization.

54021594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818525.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 54021594 is about 7349.9383670885. The cubic root of 54021594 is about 378.0266910970.

It can be divided in two parts, 54021 and 594, that added together give a triangular number (54615 = T₃₃₀).

The spelling of 54021594 in words is "fifty-four million, twenty-one thousand, five hundred ninety-four".