545540254 has 16 divisors (see below), whose sum is σ = 937012608. Its totient is φ = 233352792.

The previous prime is 545540239. The next prime is 545540273. The reversal of 545540254 is 452045545.

It is a super-2 number, since 2×545540254² = 595228337468769032, 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 in 7 ways as a sum of consecutive naturals, for example, 29932 + ... + 44575.

It is an arithmetic number, because the mean of its divisors is an integer number (58563288).

Almost surely, 2^545540254 is an apocalyptic number.

545540254 is a deficient number, since it is larger than the sum of its proper divisors (391472354).

545540254 is a wasteful number, since it uses less digits than its factorization.

545540254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75039.

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 545540254 is about 23356.8031631043. The cubic root of 545540254 is about 817.1007338088.

Adding to 545540254 its reverse (452045545), we get a palindrome (997585799).

The spelling of 545540254 in words is "five hundred forty-five million, five hundred forty thousand, two hundred fifty-four".