55818029 has 4 divisors (see below), whose sum is σ = 58755840. Its totient is φ = 52880220.

The previous prime is 55818017. The next prime is 55818101. The reversal of 55818029 is 92081855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92081855 = 5 ⋅18416371.

It is a cyclic number.

It is not a de Polignac number, because 55818029 - 2¹⁶ = 55752493 is a prime.

It is a super-2 number, since 2×55818029² = 6231304722889682, 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 = 55817983 and 55818001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55818629) 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, 1468877 + ... + 1468914.

It is an arithmetic number, because the mean of its divisors is an integer number (14688960).

Almost surely, 2^55818029 is an apocalyptic number.

It is an amenable number.

55818029 is a deficient number, since it is larger than the sum of its proper divisors (2937811).

55818029 is a wasteful number, since it uses less digits than its factorization.

55818029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937810.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 55818029 is about 7471.1464314388. The cubic root of 55818029 is about 382.1713844968.

The spelling of 55818029 in words is "fifty-five million, eight hundred eighteen thousand, twenty-nine".