55213024 has 24 divisors (see below), whose sum is σ = 109491480. Its totient is φ = 27405696.

The previous prime is 55213007. The next prime is 55213027. The reversal of 55213024 is 42031255.

It is a junction number, because it is equal to n+sod(n) for n = 55212986 and 55213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213027) 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, 1759 + ... + 10654.

It is an arithmetic number, because the mean of its divisors is an integer number (4562145).

Almost surely, 2^55213024 is an apocalyptic number.

It is an amenable number.

55213024 is a deficient number, since it is larger than the sum of its proper divisors (54278456).

55213024 is a wasteful number, since it uses less digits than its factorization.

55213024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12562 (or 12554 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55213024 is about 7430.5466824454. The cubic root of 55213024 is about 380.7855954582.

Adding to 55213024 its reverse (42031255), we get a palindrome (97244279).

The spelling of 55213024 in words is "fifty-five million, two hundred thirteen thousand, twenty-four".