49403780 has 12 divisors (see below), whose sum is σ = 103747980. Its totient is φ = 19761504.

The previous prime is 49403771. The next prime is 49403789. The reversal of 49403780 is 8730494.

It is an interprime number because it is at equal distance from previous prime (49403771) and next prime (49403789).

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 39112516 = 3208^2 + 6254^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49403780.

It is not an unprimeable number, because it can be changed into a prime (49403789) 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, 1235075 + ... + 1235114.

It is an arithmetic number, because the mean of its divisors is an integer number (8645665).

Almost surely, 2^49403780 is an apocalyptic number.

It is an amenable number.

49403780 is an abundant number, since it is smaller than the sum of its proper divisors (54344200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49403780 is a wasteful number, since it uses less digits than its factorization.

49403780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2470198 (or 2470196 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 49403780 is about 7028.7822558392. The cubic root of 49403780 is about 366.9329617422.

The spelling of 49403780 in words is "forty-nine million, four hundred three thousand, seven hundred eighty".