24540057 has 32 divisors (see below), whose sum is σ = 38860800. Its totient is φ = 15268176.

The previous prime is 24540053. The next prime is 24540073. The reversal of 24540057 is 75004542.

It is not a de Polignac number, because 24540057 - 2² = 24540053 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 24540057.

It is not an unprimeable number, because it can be changed into a prime (24540053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26244 + ... + 27162.

It is an arithmetic number, because the mean of its divisors is an integer number (1214400).

Almost surely, 2^24540057 is an apocalyptic number.

24540057 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

24540057 is a deficient number, since it is larger than the sum of its proper divisors (14320743).

24540057 is a wasteful number, since it uses less digits than its factorization.

24540057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 24540057 is about 4953.7921837719. The cubic root of 24540057 is about 290.5974879263.

Adding to 24540057 its reverse (75004542), we get a palindrome (99544599).

The spelling of 24540057 in words is "twenty-four million, five hundred forty thousand, fifty-seven".