55233031 has 8 divisors (see below), whose sum is σ = 63308160. Its totient is φ = 47204088.

The previous prime is 55233007. The next prime is 55233043. The reversal of 55233031 is 13033255.

It is a happy number.

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 55233031 - 2²³ = 46844423 is a prime.

It is a super-2 number, since 2×55233031² = 6101375426893922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55232993 and 55233011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233001) 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, 8941 + ... + 13798.

It is an arithmetic number, because the mean of its divisors is an integer number (7913520).

Almost surely, 2^55233031 is an apocalyptic number.

55233031 is a deficient number, since it is larger than the sum of its proper divisors (8075129).

55233031 is a wasteful number, since it uses less digits than its factorization.

55233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23093.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 55233031 is about 7431.8928275373. The cubic root of 55233031 is about 380.8315837465.

Adding to 55233031 its reverse (13033255), we get a palindrome (68266286).

The spelling of 55233031 in words is "fifty-five million, two hundred thirty-three thousand, thirty-one".