55961007 has 8 divisors (see below), whose sum is σ = 75513984. Its totient is φ = 36857688.

The previous prime is 55960999. The next prime is 55961011. The reversal of 55961007 is 70016955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55961007 - 2³ = 55960999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55961027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112123 + ... + 112620.

It is an arithmetic number, because the mean of its divisors is an integer number (9439248).

Almost surely, 2^55961007 is an apocalyptic number.

55961007 is a deficient number, since it is larger than the sum of its proper divisors (19552977).

55961007 is a wasteful number, since it uses less digits than its factorization.

55961007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224829.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 55961007 is about 7480.7089904634. The cubic root of 55961007 is about 382.4974172152.

The spelling of 55961007 in words is "fifty-five million, nine hundred sixty-one thousand, seven".