48139029 has 24 divisors (see below), whose sum is σ = 72436000. Its totient is φ = 31947696.

The previous prime is 48138997. The next prime is 48139033. The reversal of 48139029 is 92093184.

It is not a de Polignac number, because 48139029 - 2⁵ = 48138997 is a prime.

It is a super-2 number, since 2×48139029² = 4634732226125682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48138984 and 48139002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48139079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96222 + ... + 96720.

Almost surely, 2^48139029 is an apocalyptic number.

It is an amenable number.

48139029 is a deficient number, since it is larger than the sum of its proper divisors (24296971).

48139029 is an equidigital number, since it uses as much as digits as its factorization.

48139029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 48139029 is about 6938.2295292099. The cubic root of 48139029 is about 363.7746587598.

The spelling of 48139029 in words is "forty-eight million, one hundred thirty-nine thousand, twenty-nine".