49203021 has 8 divisors (see below), whose sum is σ = 74976064. Its totient is φ = 28116000.

The previous prime is 49203019. The next prime is 49203023. The reversal of 49203021 is 12030294.

It is an interprime number because it is at equal distance from previous prime (49203019) and next prime (49203023).

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

It is not a de Polignac number, because 49203021 - 2¹ = 49203019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2343001 = 49203021 / (4 + 9 + 2 + 0 + 3 + 0 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49203023) 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, 1171480 + ... + 1171521.

It is an arithmetic number, because the mean of its divisors is an integer number (9372008).

Almost surely, 2^49203021 is an apocalyptic number.

It is an amenable number.

49203021 is a deficient number, since it is larger than the sum of its proper divisors (25773043).

49203021 is a wasteful number, since it uses less digits than its factorization.

49203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343011.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 49203021 is about 7014.4865100733. The cubic root of 49203021 is about 366.4352595888.

The spelling of 49203021 in words is "forty-nine million, two hundred three thousand, twenty-one".