55561053 has 8 divisors (see below), whose sum is σ = 74120608. Its totient is φ = 37021104.

The previous prime is 55561043. The next prime is 55561139. The reversal of 55561053 is 35016555.

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

It is not a de Polignac number, because 55561053 - 2¹⁷ = 55429981 is a prime.

It is a super-2 number, since 2×55561053² = 6174061220937618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55561053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55561043) 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, 4050 + ... + 11292.

It is an arithmetic number, because the mean of its divisors is an integer number (9265076).

Almost surely, 2^55561053 is an apocalyptic number.

It is an amenable number.

55561053 is a deficient number, since it is larger than the sum of its proper divisors (18559555).

55561053 is a wasteful number, since it uses less digits than its factorization.

55561053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55561053 is about 7453.9286956611. The cubic root of 55561053 is about 381.5839997752.

The spelling of 55561053 in words is "fifty-five million, five hundred sixty-one thousand, fifty-three".