540578052 has 36 divisors (see below), whose sum is σ = 1561670656. Its totient is φ = 154450800.

The previous prime is 540578021. The next prime is 540578081. The reversal of 540578052 is 250875045.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×540578052² = 584449260608229408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 540577998 and 540578016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1072324 + ... + 1072827.

Almost surely, 2^540578052 is an apocalyptic number.

It is an amenable number.

540578052 is an abundant number, since it is smaller than the sum of its proper divisors (1021092604).

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

540578052 is a wasteful number, since it uses less digits than its factorization.

540578052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145168 (or 2145163 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 540578052 is about 23250.3344492074. The cubic root of 540578052 is about 814.6157507163.

The spelling of 540578052 in words is "five hundred forty million, five hundred seventy-eight thousand, fifty-two".