49115590 has 16 divisors (see below), whose sum is σ = 88715088. Its totient is φ = 19578016.

The previous prime is 49115587. The next prime is 49115639. The reversal of 49115590 is 9551194.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (5544693).

Almost surely, 2^49115590 is an apocalyptic number.

49115590 is a deficient number, since it is larger than the sum of its proper divisors (39599498).

49115590 is a wasteful number, since it uses less digits than its factorization.

49115590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17063.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 49115590 is about 7008.2515651195. The cubic root of 49115590 is about 366.2180859564.

It can be divided in two parts, 4911 and 5590, that added together give a palindrome (10501).

The spelling of 49115590 in words is "forty-nine million, one hundred fifteen thousand, five hundred ninety".