55969074 has 144 divisors (see below), whose sum is σ = 153653760. Its totient is φ = 14636160.

The previous prime is 55969073. The next prime is 55969093. The reversal of 55969074 is 47096955.

It is a happy number.

55969074 is a `hidden beast` number, since 559 + 6 + 90 + 7 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (55969073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 628822 + ... + 628910.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^55969074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55969074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76826880).

55969074 is an abundant number, since it is smaller than the sum of its proper divisors (97684686).

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

55969074 is a wasteful number, since it uses less digits than its factorization.

55969074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The square root of 55969074 is about 7481.2481578945. The cubic root of 55969074 is about 382.5157958362.

The spelling of 55969074 in words is "fifty-five million, nine hundred sixty-nine thousand, seventy-four".