42479551 has 8 divisors (see below), whose sum is σ = 44411904. Its totient is φ = 40554360.

The previous prime is 42479543. The next prime is 42479603. The reversal of 42479551 is 15597424.

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

It is a cyclic number.

It is not a de Polignac number, because 42479551 - 2³ = 42479543 is a prime.

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 42479551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42479531) 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, 13050 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (5551488).

Almost surely, 2^42479551 is an apocalyptic number.

42479551 is a deficient number, since it is larger than the sum of its proper divisors (1932353).

42479551 is a wasteful number, since it uses less digits than its factorization.

42479551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581.

The product of its digits is 50400, while the sum is 37.

The square root of 42479551 is about 6517.6338497955. The cubic root of 42479551 is about 348.9206229934.

The spelling of 42479551 in words is "forty-two million, four hundred seventy-nine thousand, five hundred fifty-one".