540123550 has 48 divisors (see below), whose sum is σ = 1045580400. Its totient is φ = 207334400.

The previous prime is 540123547. The next prime is 540123581. The reversal of 540123550 is 55321045.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258510 + ... + 260590.

It is an arithmetic number, because the mean of its divisors is an integer number (21782925).

Almost surely, 2^540123550 is an apocalyptic number.

540123550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

540123550 is a deficient number, since it is larger than the sum of its proper divisors (505456850).

540123550 is a wasteful number, since it uses less digits than its factorization.

540123550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2296 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 540123550 is about 23240.5582979411. The cubic root of 540123550 is about 814.3873851123.

Adding to 540123550 its reverse (55321045), we get a palindrome (595444595).

The spelling of 540123550 in words is "five hundred forty million, one hundred twenty-three thousand, five hundred fifty".