55724924145 has 16 divisors (see below), whose sum is σ = 97265322432. Its totient is φ = 27018144960.

The previous prime is 55724924141. The next prime is 55724924179. The reversal of 55724924145 is 54142942755.

It is a happy number.

It is not a de Polignac number, because 55724924145 - 2² = 55724924141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55724924094 and 55724924103.

It is not an unprimeable number, because it can be changed into a prime (55724924141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168863242 + ... + 168863571.

It is an arithmetic number, because the mean of its divisors is an integer number (6079082652).

Almost surely, 2^55724924145 is an apocalyptic number.

55724924145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55724924145 is a deficient number, since it is larger than the sum of its proper divisors (41540398287).

55724924145 is a wasteful number, since it uses less digits than its factorization.

55724924145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337726832.

The product of its digits is 2016000, while the sum is 48.

The spelling of 55724924145 in words is "fifty-five billion, seven hundred twenty-four million, nine hundred twenty-four thousand, one hundred forty-five".