55159546 has 16 divisors (see below), whose sum is σ = 93794400. Its totient is φ = 24118128.

The previous prime is 55159541. The next prime is 55159549. The reversal of 55159546 is 64595155.

It is a super-2 number, since 2×55159546² = 6085151029852232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55159499 and 55159508.

It is not an unprimeable number, because it can be changed into a prime (55159541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55336 + ... + 56323.

It is an arithmetic number, because the mean of its divisors is an integer number (5862150).

Almost surely, 2^55159546 is an apocalyptic number.

55159546 is a deficient number, since it is larger than the sum of its proper divisors (38634854).

55159546 is a wasteful number, since it uses less digits than its factorization.

55159546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111693.

The product of its digits is 135000, while the sum is 40.

The square root of 55159546 is about 7426.9472867390. The cubic root of 55159546 is about 380.6626158379.

The spelling of 55159546 in words is "fifty-five million, one hundred fifty-nine thousand, five hundred forty-six".