55724735 has 12 divisors (see below), whose sum is σ = 73502184. Its totient is φ = 40526640.

The previous prime is 55724723. The next prime is 55724737. The reversal of 55724735 is 53742755.

It is a de Polignac number, because none of the positive numbers 2^k-55724735 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55724737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45449 + ... + 46658.

It is an arithmetic number, because the mean of its divisors is an integer number (6125182).

Almost surely, 2^55724735 is an apocalyptic number.

55724735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55724735 is a deficient number, since it is larger than the sum of its proper divisors (17777449).

55724735 is a wasteful number, since it uses less digits than its factorization.

55724735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92134 (or 92123 counting only the distinct ones).

The product of its digits is 147000, while the sum is 38.

The square root of 55724735 is about 7464.9002002706. The cubic root of 55724735 is about 381.9583459237.

The spelling of 55724735 in words is "fifty-five million, seven hundred twenty-four thousand, seven hundred thirty-five".