49291590 has 64 divisors (see below), whose sum is σ = 124804800. Its totient is φ = 12440064.

The previous prime is 49291573. The next prime is 49291591. The reversal of 49291590 is 9519294.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49291591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45576 + ... + 46644.

It is an arithmetic number, because the mean of its divisors is an integer number (1950075).

Almost surely, 2^49291590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49291590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62402400).

49291590 is an abundant number, since it is smaller than the sum of its proper divisors (75513210).

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

49291590 is a wasteful number, since it uses less digits than its factorization.

49291590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 49291590 is about 7020.7969633084. The cubic root of 49291590 is about 366.6549977921.

The spelling of 49291590 in words is "forty-nine million, two hundred ninety-one thousand, five hundred ninety".