48991437 has 24 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 29057280.

The previous prime is 48991429. The next prime is 48991477. The reversal of 48991437 is 73419984.

It is not a de Polignac number, because 48991437 - 2³ = 48991429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48991392 and 48991401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48991427) 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, 612 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (3285360).

Almost surely, 2^48991437 is an apocalyptic number.

48991437 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

48991437 is a deficient number, since it is larger than the sum of its proper divisors (29857203).

48991437 is a wasteful number, since it uses less digits than its factorization.

48991437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593 (or 10590 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 48991437 is about 6999.3883304186. The cubic root of 48991437 is about 365.9092536824.

It can be divided in two parts, 4899 and 1437, that added together give a palindrome (6336).

The spelling of 48991437 in words is "forty-eight million, nine hundred ninety-one thousand, four hundred thirty-seven".