28385054 has 4 divisors (see below), whose sum is σ = 42577584. Its totient is φ = 14192526.

The previous prime is 28385033. The next prime is 28385081. The reversal of 28385054 is 45058382.

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

It is a super-2 number, since 2×28385054² = 1611422581165832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7096262 + ... + 7096265.

It is an arithmetic number, because the mean of its divisors is an integer number (10644396).

Almost surely, 2^28385054 is an apocalyptic number.

28385054 is a deficient number, since it is larger than the sum of its proper divisors (14192530).

28385054 is a wasteful number, since it uses less digits than its factorization.

28385054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14192529.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 28385054 is about 5327.7625697848. The cubic root of 28385054 is about 305.0445299133.

The spelling of 28385054 in words is "twenty-eight million, three hundred eighty-five thousand, fifty-four".