49178623 has 8 divisors (see below), whose sum is σ = 55264608. Its totient is φ = 43421664.

The previous prime is 49178621. The next prime is 49178629. The reversal of 49178623 is 32687194.

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

It is not a de Polignac number, because 49178623 - 2¹ = 49178621 is a prime.

It is a super-2 number, since 2×49178623² = 4837073920352258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49178621) 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, 81940 + ... + 82537.

It is an arithmetic number, because the mean of its divisors is an integer number (6908076).

Almost surely, 2^49178623 is an apocalyptic number.

49178623 is a deficient number, since it is larger than the sum of its proper divisors (6085985).

49178623 is a wasteful number, since it uses less digits than its factorization.

49178623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164513.

The product of its digits is 72576, while the sum is 40.

The square root of 49178623 is about 7012.7471792444. The cubic root of 49178623 is about 366.3746822407.

The spelling of 49178623 in words is "forty-nine million, one hundred seventy-eight thousand, six hundred twenty-three".