55923000 has 128 divisors (see below), whose sum is σ = 199480320. Its totient is φ = 12777600.

The previous prime is 55922987. The next prime is 55923011. The reversal of 55923000 is 32955.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19669 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (1558440).

Almost surely, 2^55923000 is an apocalyptic number.

55923000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55923000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99740160).

55923000 is an abundant number, since it is smaller than the sum of its proper divisors (143557320).

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

55923000 is a wasteful number, since it uses less digits than its factorization.

55923000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 55923000 is about 7478.1682249064. The cubic root of 55923000 is about 382.4108040983.

Adding to 55923000 its reverse (32955), we get a palindrome (55955955).

The spelling of 55923000 in words is "fifty-five million, nine hundred twenty-three thousand".