55724051 has 8 divisors (see below), whose sum is σ = 57764880. Its totient is φ = 53691232.

The previous prime is 55724033. The next prime is 55724077. The reversal of 55724051 is 15042755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55724051 - 2¹⁸ = 55461907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55723051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14621 + ... + 18033.

It is an arithmetic number, because the mean of its divisors is an integer number (7220610).

Almost surely, 2^55724051 is an apocalyptic number.

55724051 is a deficient number, since it is larger than the sum of its proper divisors (2040829).

55724051 is a wasteful number, since it uses less digits than its factorization.

55724051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005.

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 55724051 is about 7464.8543857198. The cubic root of 55724051 is about 381.9567831193.

The spelling of 55724051 in words is "fifty-five million, seven hundred twenty-four thousand, fifty-one".