55736071 has 4 divisors (see below), whose sum is σ = 55765152. Its totient is φ = 55706992.

The previous prime is 55736053. The next prime is 55736111. The reversal of 55736071 is 17063755.

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 55736071 - 2⁵ = 55736039 is a prime.

It is a super-2 number, since 2×55736071² = 6213019221034082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55716071) 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, 11446 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (13941288).

Almost surely, 2^55736071 is an apocalyptic number.

55736071 is a deficient number, since it is larger than the sum of its proper divisors (29081).

55736071 is a wasteful number, since it uses less digits than its factorization.

55736071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29080.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 55736071 is about 7465.6594484345. The cubic root of 55736071 is about 381.9842445737.

The spelling of 55736071 in words is "fifty-five million, seven hundred thirty-six thousand, seventy-one".