55523707 has 4 divisors (see below), whose sum is σ = 56815000. Its totient is φ = 54232416.

The previous prime is 55523687. The next prime is 55523729. The reversal of 55523707 is 70732555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70732555 = 5 ⋅14146511.

It is a cyclic number.

It is not a de Polignac number, because 55523707 - 2⁷ = 55523579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55523737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645582 + ... + 645667.

It is an arithmetic number, because the mean of its divisors is an integer number (14203750).

Almost surely, 2^55523707 is an apocalyptic number.

55523707 is a deficient number, since it is larger than the sum of its proper divisors (1291293).

55523707 is a wasteful number, since it uses less digits than its factorization.

55523707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291292.

The product of its (nonzero) digits is 36750, while the sum is 34.

The square root of 55523707 is about 7451.4231526602. The cubic root of 55523707 is about 381.4984852563.

The spelling of 55523707 in words is "fifty-five million, five hundred twenty-three thousand, seven hundred seven".