545977406 has 16 divisors (see below), whose sum is σ = 933844464. Its totient is φ = 237166464.

The previous prime is 545977379. The next prime is 545977409. The reversal of 545977406 is 604779545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545977409) 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, 617180 + ... + 618063.

It is an arithmetic number, because the mean of its divisors is an integer number (58365279).

Almost surely, 2^545977406 is an apocalyptic number.

545977406 is a deficient number, since it is larger than the sum of its proper divisors (387867058).

545977406 is a wasteful number, since it uses less digits than its factorization.

545977406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235275.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The square root of 545977406 is about 23366.1594191258. The cubic root of 545977406 is about 817.3189284334.

The spelling of 545977406 in words is "five hundred forty-five million, nine hundred seventy-seven thousand, four hundred six".