55033407 has 48 divisors (see below), whose sum is σ = 95056416. Its totient is φ = 30240000.

The previous prime is 55033397. The next prime is 55033409. The reversal of 55033407 is 70433055.

It is a happy number.

It is not a de Polignac number, because 55033407 - 2⁶ = 55033343 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78157 + ... + 78857.

It is an arithmetic number, because the mean of its divisors is an integer number (1980342).

Almost surely, 2^55033407 is an apocalyptic number.

55033407 is a deficient number, since it is larger than the sum of its proper divisors (40023009).

55033407 is a wasteful number, since it uses less digits than its factorization.

55033407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 55033407 is about 7418.4504446683. The cubic root of 55033407 is about 380.3722276029.

The spelling of 55033407 in words is "fifty-five million, thirty-three thousand, four hundred seven".