545747808 has 48 divisors (see below), whose sum is σ = 1478808576. Its totient is φ = 176046720.

The previous prime is 545747791. The next prime is 545747809. The reversal of 545747808 is 808747545.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545747809) 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, 88716 + ... + 94667.

It is an arithmetic number, because the mean of its divisors is an integer number (30808512).

Almost surely, 2^545747808 is an apocalyptic number.

It is an amenable number.

545747808 is an abundant number, since it is smaller than the sum of its proper divisors (933060768).

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

545747808 is a wasteful number, since it uses less digits than its factorization.

545747808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183427 (or 183419 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 545747808 is about 23361.2458571884. The cubic root of 545747808 is about 817.2043442644.

The spelling of 545747808 in words is "five hundred forty-five million, seven hundred forty-seven thousand, eight hundred eight".