55623733 has 8 divisors (see below), whose sum is σ = 60793920. Its totient is φ = 50472480.

The previous prime is 55623731. The next prime is 55623749. The reversal of 55623733 is 33732655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55623733 - 2¹ = 55623731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55623731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816 + ... + 10702.

It is an arithmetic number, because the mean of its divisors is an integer number (7599240).

Almost surely, 2^55623733 is an apocalyptic number.

It is an amenable number.

55623733 is a deficient number, since it is larger than the sum of its proper divisors (5170187).

55623733 is a wasteful number, since it uses less digits than its factorization.

55623733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9467.

The product of its digits is 56700, while the sum is 34.

The square root of 55623733 is about 7458.1320047315. The cubic root of 55623733 is about 381.7274377615.

The spelling of 55623733 in words is "fifty-five million, six hundred twenty-three thousand, seven hundred thirty-three".