49621572 has 336 divisors, whose sum is σ = 185092992. Its totient is φ = 11197440.

The previous prime is 49621553. The next prime is 49621573. The reversal of 49621572 is 27512694.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (30240) is a multiple of the sum of its prime factors (70).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49621573) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 2918908 + ... + 2918924.

It is an arithmetic number, because the mean of its divisors is an integer number (550872).

Almost surely, 2^49621572 is an apocalyptic number.

49621572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49621572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92546496).

49621572 is an abundant number, since it is smaller than the sum of its proper divisors (135471420).

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

49621572 is a wasteful number, since it uses less digits than its factorization.

49621572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 53 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 49621572 is about 7044.2580872651. The cubic root of 49621572 is about 367.4713680317.

The spelling of 49621572 in words is "forty-nine million, six hundred twenty-one thousand, five hundred seventy-two".