55723608 has 24 divisors (see below), whose sum is σ = 150918300. Its totient is φ = 18574512.

The previous prime is 55723607. The next prime is 55723609. The reversal of 55723608 is 80632755.

It is an interprime number because it is at equal distance from previous prime (55723607) and next prime (55723609).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55723607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 386898 + ... + 387041.

Almost surely, 2^55723608 is an apocalyptic number.

It is an amenable number.

55723608 is an abundant number, since it is smaller than the sum of its proper divisors (95194692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55723608 is a wasteful number, since it uses less digits than its factorization.

55723608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773951 (or 773944 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55723608 is about 7464.8247132803. The cubic root of 55723608 is about 381.9557709453.

It can be divided in two parts, 5572 and 3608, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 55723608 in words is "fifty-five million, seven hundred twenty-three thousand, six hundred eight".