49932021 has 8 divisors (see below), whose sum is σ = 66822784. Its totient is φ = 33164640.

The previous prime is 49932017. The next prime is 49932023. The reversal of 49932021 is 12023994.

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

It is not a de Polignac number, because 49932021 - 2² = 49932017 is a prime.

It is a super-2 number, since 2×49932021² = 4986413442288882, which contains 22 as substring.

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 49932021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49932023) 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, 29896 + ... + 31521.

It is an arithmetic number, because the mean of its divisors is an integer number (8352848).

Almost surely, 2^49932021 is an apocalyptic number.

It is an amenable number.

49932021 is a deficient number, since it is larger than the sum of its proper divisors (16890763).

49932021 is a wasteful number, since it uses less digits than its factorization.

49932021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61691.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 49932021 is about 7066.2593357448. The cubic root of 49932021 is about 368.2361162912.

The spelling of 49932021 in words is "forty-nine million, nine hundred thirty-two thousand, twenty-one".