55740371 has 4 divisors (see below), whose sum is σ = 56315112. Its totient is φ = 55165632.

The previous prime is 55740367. The next prime is 55740379. The reversal of 55740371 is 17304755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55740371 - 2² = 55740367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55740379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287225 + ... + 287418.

It is an arithmetic number, because the mean of its divisors is an integer number (14078778).

Almost surely, 2^55740371 is an apocalyptic number.

55740371 is a deficient number, since it is larger than the sum of its proper divisors (574741).

55740371 is an equidigital number, since it uses as much as digits as its factorization.

55740371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574740.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 55740371 is about 7465.9474281567. The cubic root of 55740371 is about 381.9940675961.

The spelling of 55740371 in words is "fifty-five million, seven hundred forty thousand, three hundred seventy-one".