49624890 has 64 divisors (see below), whose sum is σ = 138184704. Its totient is φ = 11170368.

The previous prime is 49624873. The next prime is 49624933. The reversal of 49624890 is 9842694.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12307 + ... + 15833.

It is an arithmetic number, because the mean of its divisors is an integer number (2159136).

Almost surely, 2^49624890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49624890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69092352).

49624890 is an abundant number, since it is smaller than the sum of its proper divisors (88559814).

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

49624890 is a wasteful number, since it uses less digits than its factorization.

49624890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 49624890 is about 7044.4935942905. The cubic root of 49624890 is about 367.4795583058.

The spelling of 49624890 in words is "forty-nine million, six hundred twenty-four thousand, eight hundred ninety".