545513340 has 96 divisors (see below), whose sum is σ = 1624359744. Its totient is φ = 136314880.

The previous prime is 545513317. The next prime is 545513359. The reversal of 545513340 is 43315545.

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

It is a junction number, because it is equal to n+sod(n) for n = 545513298 and 545513307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261100 + ... + 263180.

It is an arithmetic number, because the mean of its divisors is an integer number (16920414).

Almost surely, 2^545513340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545513340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (812179872).

545513340 is an abundant number, since it is smaller than the sum of its proper divisors (1078846404).

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

545513340 is a wasteful number, since it uses less digits than its factorization.

545513340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 545513340 is about 23356.2270069461. The cubic root of 545513340 is about 817.0872964803.

Adding to 545513340 its reverse (43315545), we get a palindrome (588828885).

The spelling of 545513340 in words is "five hundred forty-five million, five hundred thirteen thousand, three hundred forty".