540255501 has 20 divisors (see below), whose sum is σ = 812411424. Its totient is φ = 357777000.

The previous prime is 540255491. The next prime is 540255511. The reversal of 540255501 is 105552045.

It is an interprime number because it is at equal distance from previous prime (540255491) and next prime (540255511).

It is not a de Polignac number, because 540255501 - 2¹⁵ = 540222733 is a prime.

It is a super-2 number, since 2×540255501² = 583752012721522002, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540255511) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9855 + ... + 34316.

Almost surely, 2^540255501 is an apocalyptic number.

It is an amenable number.

540255501 is a deficient number, since it is larger than the sum of its proper divisors (272155923).

540255501 is a wasteful number, since it uses less digits than its factorization.

540255501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44334 (or 44325 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 540255501 is about 23243.3969333228. The cubic root of 540255501 is about 814.4536973974.

The spelling of 540255501 in words is "five hundred forty million, two hundred fifty-five thousand, five hundred one".