545038632 has 80 divisors (see below), whose sum is σ = 1616446260. Its totient is φ = 170989056.

The previous prime is 545038607. The next prime is 545038639. The reversal of 545038632 is 236830545.

It is a happy number.

545038632 is a `hidden beast` number, since 545 + 0 + 3 + 86 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 545035716 + 2916 = 23346^2 + 54^2 .

It is a super-2 number, since 2×545038632² = 594134220744862848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (545038639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13723 + ... + 35754.

Almost surely, 2^545038632 is an apocalyptic number.

It is an amenable number.

545038632 is an abundant number, since it is smaller than the sum of its proper divisors (1071407628).

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

545038632 is a wasteful number, since it uses less digits than its factorization.

545038632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49512 (or 49499 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 545038632 is about 23346.0624517283. The cubic root of 545038632 is about 816.8502167652.

It can be divided in two parts, 54 and 5038632, that multiplied together give a triangular number (272086128 = T₂₃₃₂₇).

The spelling of 545038632 in words is "five hundred forty-five million, thirty-eight thousand, six hundred thirty-two".