54028290 has 32 divisors (see below), whose sum is σ = 129896640. Its totient is φ = 14382144.

The previous prime is 54028277. The next prime is 54028297. The reversal of 54028290 is 9282045.

It is a super-2 number, since 2×54028290² = 5838112240648200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54028297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20952 + ... + 23388.

It is an arithmetic number, because the mean of its divisors is an integer number (4059270).

Almost surely, 2^54028290 is an apocalyptic number.

54028290 is an abundant number, since it is smaller than the sum of its proper divisors (75868350).

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

54028290 is a wasteful number, since it uses less digits than its factorization.

54028290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 54028290 is about 7350.3938669979. The cubic root of 54028290 is about 378.0423093091.

The spelling of 54028290 in words is "fifty-four million, twenty-eight thousand, two hundred ninety".