55751613 has 8 divisors (see below), whose sum is σ = 74400000. Its totient is φ = 37135488.

The previous prime is 55751611. The next prime is 55751617. The reversal of 55751613 is 31615755.

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

It is not a de Polignac number, because 55751613 - 2¹ = 55751611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751611) 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, 3693 + ... + 11186.

It is an arithmetic number, because the mean of its divisors is an integer number (9300000).

Almost surely, 2^55751613 is an apocalyptic number.

It is an amenable number.

55751613 is a deficient number, since it is larger than the sum of its proper divisors (18648387).

55751613 is a wasteful number, since it uses less digits than its factorization.

55751613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16131.

The product of its digits is 15750, while the sum is 33.

The square root of 55751613 is about 7466.7002752220. The cubic root of 55751613 is about 382.0197467018.

The spelling of 55751613 in words is "fifty-five million, seven hundred fifty-one thousand, six hundred thirteen".