55533534 has 16 divisors (see below), whose sum is σ = 126933888. Its totient is φ = 15866712.

The previous prime is 55533529. The next prime is 55533539. The reversal of 55533534 is 43533555.

It is an interprime number because it is at equal distance from previous prime (55533529) and next prime (55533539).

It is a junction number, because it is equal to n+sod(n) for n = 55533495 and 55533504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55533539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661072 + ... + 661155.

It is an arithmetic number, because the mean of its divisors is an integer number (7933368).

Almost surely, 2^55533534 is an apocalyptic number.

55533534 is an abundant number, since it is smaller than the sum of its proper divisors (71400354).

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

55533534 is a wasteful number, since it uses less digits than its factorization.

55533534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322239.

The product of its digits is 67500, while the sum is 33.

The square root of 55533534 is about 7452.0825277234. The cubic root of 55533534 is about 381.5209907449.

The spelling of 55533534 in words is "fifty-five million, five hundred thirty-three thousand, five hundred thirty-four".