55605733 has 4 divisors (see below), whose sum is σ = 55639980. Its totient is φ = 55571488.

The previous prime is 55605727. The next prime is 55605749. The reversal of 55605733 is 33750655.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3448449 + 52157284 = 1857^2 + 7222^2 .

It is a cyclic number.

It is not a de Polignac number, because 55605733 - 2¹³ = 55597541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605703) 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, 14560 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (13909995).

Almost surely, 2^55605733 is an apocalyptic number.

It is an amenable number.

55605733 is a deficient number, since it is larger than the sum of its proper divisors (34247).

55605733 is a wasteful number, since it uses less digits than its factorization.

55605733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34246.

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 55605733 is about 7456.9251706048. The cubic root of 55605733 is about 381.6862572868.

The spelling of 55605733 in words is "fifty-five million, six hundred five thousand, seven hundred thirty-three".