49621020 has 48 divisors (see below), whose sum is σ = 140854560. Its totient is φ = 13049856.

The previous prime is 49621009. The next prime is 49621021. The reversal of 49621020 is 2012694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49621021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1285 + ... + 10044.

It is an arithmetic number, because the mean of its divisors is an integer number (2934470).

Almost surely, 2^49621020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49621020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70427280).

49621020 is an abundant number, since it is smaller than the sum of its proper divisors (91233540).

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

49621020 is a wasteful number, since it uses less digits than its factorization.

49621020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414 (or 11412 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 49621020 is about 7044.2189063089. The cubic root of 49621020 is about 367.4700054191.

The spelling of 49621020 in words is "forty-nine million, six hundred twenty-one thousand, twenty".