545829690 has 32 divisors (see below), whose sum is σ = 1497133440. Its totient is φ = 124761024.

The previous prime is 545829671. The next prime is 545829719. The reversal of 545829690 is 96928545.

It is a super-2 number, since 2×545829690² = 595860100970992200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299385 + ... + 1299804.

It is an arithmetic number, because the mean of its divisors is an integer number (46785420).

Almost surely, 2^545829690 is an apocalyptic number.

545829690 is an abundant number, since it is smaller than the sum of its proper divisors (951303750).

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

545829690 is a wasteful number, since it uses less digits than its factorization.

545829690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599206.

The product of its (nonzero) digits is 777600, while the sum is 48.

The square root of 545829690 is about 23362.9983092924. The cubic root of 545829690 is about 817.2452123350.

The spelling of 545829690 in words is "five hundred forty-five million, eight hundred twenty-nine thousand, six hundred ninety".