55155832 has 8 divisors (see below), whose sum is σ = 103417200. Its totient is φ = 27577912.

The previous prime is 55155829. The next prime is 55155839. The reversal of 55155832 is 23855155.

55155832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×55155832² = 6084331607224448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55155839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447232 + ... + 3447247.

It is an arithmetic number, because the mean of its divisors is an integer number (12927150).

Almost surely, 2^55155832 is an apocalyptic number.

It is an amenable number.

55155832 is a deficient number, since it is larger than the sum of its proper divisors (48261368).

55155832 is a wasteful number, since it uses less digits than its factorization.

55155832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6894485 (or 6894481 counting only the distinct ones).

The product of its digits is 30000, while the sum is 34.

The square root of 55155832 is about 7426.6972470944. The cubic root of 55155832 is about 380.6540720602.

The spelling of 55155832 in words is "fifty-five million, one hundred fifty-five thousand, eight hundred thirty-two".