55751479 has 8 divisors (see below), whose sum is σ = 64144800. Its totient is φ = 47465376.

The previous prime is 55751459. The next prime is 55751497. The reversal of 55751479 is 97415755.

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

It is not a de Polignac number, because 55751479 - 2¹³ = 55743287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55751419) 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, 25684 + ... + 27769.

It is an arithmetic number, because the mean of its divisors is an integer number (8018100).

Almost surely, 2^55751479 is an apocalyptic number.

55751479 is a deficient number, since it is larger than the sum of its proper divisors (8393321).

55751479 is a wasteful number, since it uses less digits than its factorization.

55751479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53609.

The product of its digits is 220500, while the sum is 43.

The square root of 55751479 is about 7466.6913020427. The cubic root of 55751479 is about 382.0194406378.

The spelling of 55751479 in words is "fifty-five million, seven hundred fifty-one thousand, four hundred seventy-nine".