55961835 has 16 divisors (see below), whose sum is σ = 89862144. Its totient is φ = 29738592.

The previous prime is 55961833. The next prime is 55961863. The reversal of 55961835 is 53816955.

It is not a de Polignac number, because 55961835 - 2¹ = 55961833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55961831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2347 + ... + 10836.

It is an arithmetic number, because the mean of its divisors is an integer number (5616384).

Almost surely, 2^55961835 is an apocalyptic number.

55961835 is a deficient number, since it is larger than the sum of its proper divisors (33900309).

55961835 is a wasteful number, since it uses less digits than its factorization.

55961835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474.

The product of its digits is 162000, while the sum is 42.

The square root of 55961835 is about 7480.7643326067. The cubic root of 55961835 is about 382.4993036853.

It can be divided in two parts, 55 and 961835, that multiplied together give a palindrome (52900925).

The spelling of 55961835 in words is "fifty-five million, nine hundred sixty-one thousand, eight hundred thirty-five".