55430751 has 16 divisors (see below), whose sum is σ = 75081600. Its totient is φ = 36371808.

The previous prime is 55430743. The next prime is 55430779. The reversal of 55430751 is 15703455.

It is not a de Polignac number, because 55430751 - 2³ = 55430743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55430701) 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 15 ways as a sum of consecutive naturals, for example, 58060 + ... + 59006.

It is an arithmetic number, because the mean of its divisors is an integer number (4692600).

Almost surely, 2^55430751 is an apocalyptic number.

55430751 is a deficient number, since it is larger than the sum of its proper divisors (19650849).

55430751 is a wasteful number, since it uses less digits than its factorization.

55430751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 55430751 is about 7445.1830736390. The cubic root of 55430751 is about 381.2854688492.

The spelling of 55430751 in words is "fifty-five million, four hundred thirty thousand, seven hundred fifty-one".