55520334 has 24 divisors (see below), whose sum is σ = 127370880. Its totient is φ = 17418048.

The previous prime is 55520329. The next prime is 55520383. The reversal of 55520334 is 43302555.

It is a junction number, because it is equal to n+sod(n) for n = 55520298 and 55520307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90414 + ... + 91025.

It is an arithmetic number, because the mean of its divisors is an integer number (5307120).

Almost surely, 2^55520334 is an apocalyptic number.

55520334 is an abundant number, since it is smaller than the sum of its proper divisors (71850546).

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

55520334 is a wasteful number, since it uses less digits than its factorization.

55520334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181464 (or 181461 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 55520334 is about 7451.1968166195. The cubic root of 55520334 is about 381.4907599048.

Adding to 55520334 its reverse (43302555), we get a palindrome (98822889).

The spelling of 55520334 in words is "fifty-five million, five hundred twenty thousand, three hundred thirty-four".