49138510 has 16 divisors (see below), whose sum is σ = 88529616. Its totient is φ = 19637568.

The previous prime is 49138501. The next prime is 49138513. The reversal of 49138510 is 1583194.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49138513) 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, 18634 + ... + 21106.

It is an arithmetic number, because the mean of its divisors is an integer number (5533101).

Almost surely, 2^49138510 is an apocalyptic number.

49138510 is a deficient number, since it is larger than the sum of its proper divisors (39391106).

49138510 is a wasteful number, since it uses less digits than its factorization.

49138510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 49138510 is about 7009.8865896675. The cubic root of 49138510 is about 366.2750428426.

The spelling of 49138510 in words is "forty-nine million, one hundred thirty-eight thousand, five hundred ten".