545861376 has 144 divisors (see below), whose sum is σ = 1628005120. Its totient is φ = 180403200.

The previous prime is 545861359. The next prime is 545861399. The reversal of 545861376 is 673168545.

545861376 is a `hidden beast` number, since 54 + 586 + 13 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×545861376² = 595929283617226752, 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 15 ways as a sum of consecutive naturals, for example, 1043451 + ... + 1043973.

Almost surely, 2^545861376 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 545861376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (814002560).

545861376 is an abundant number, since it is smaller than the sum of its proper divisors (1082143744).

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

545861376 is a wasteful number, since it uses less digits than its factorization.

545861376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 679 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 545861376 is about 23363.6764230290. The cubic root of 545861376 is about 817.2610260166.

The spelling of 545861376 in words is "five hundred forty-five million, eight hundred sixty-one thousand, three hundred seventy-six".