55788713 has 4 divisors (see below), whose sum is σ = 59070420. Its totient is φ = 52507008.

The previous prime is 55788703. The next prime is 55788727. The reversal of 55788713 is 31788755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31788755 = 5 ⋅6357751.

It can be written as a sum of positive squares in 2 ways, for example, as 44249104 + 11539609 = 6652^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 55788713 - 2¹⁶ = 55723177 is a prime.

It is a super-2 number, since 2×55788713² = 6224760996392738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55788703) 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, 1640828 + ... + 1640861.

It is an arithmetic number, because the mean of its divisors is an integer number (14767605).

Almost surely, 2^55788713 is an apocalyptic number.

It is an amenable number.

55788713 is a deficient number, since it is larger than the sum of its proper divisors (3281707).

55788713 is a wasteful number, since it uses less digits than its factorization.

55788713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281706.

The product of its digits is 235200, while the sum is 44.

The square root of 55788713 is about 7469.1842258710. The cubic root of 55788713 is about 382.1044664626.

The spelling of 55788713 in words is "fifty-five million, seven hundred eighty-eight thousand, seven hundred thirteen".