48437021 has 4 divisors (see below), whose sum is σ = 48457500. Its totient is φ = 48416544.

The previous prime is 48436987. The next prime is 48437083. The reversal of 48437021 is 12073484.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25502500 + 22934521 = 5050^2 + 4789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48437021 is a prime.

It is a super-2 number, since 2×48437021² = 4692290006708882, 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 (48437321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6146 + ... + 11603.

It is an arithmetic number, because the mean of its divisors is an integer number (12114375).

Almost surely, 2^48437021 is an apocalyptic number.

It is an amenable number.

48437021 is a deficient number, since it is larger than the sum of its proper divisors (20479).

48437021 is a wasteful number, since it uses less digits than its factorization.

48437021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20478.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 48437021 is about 6959.6710410766. The cubic root of 48437021 is about 364.5237323531.

The spelling of 48437021 in words is "forty-eight million, four hundred thirty-seven thousand, twenty-one".