49503900 has 72 divisors (see below), whose sum is σ = 147879424. Its totient is φ = 12772800.

The previous prime is 49503887. The next prime is 49503901. The reversal of 49503900 is 930594.

It is a super-2 number, since 2×49503900² = 4901272230420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49503901) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6639 + ... + 11961.

Almost surely, 2^49503900 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 49503900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73939712).

49503900 is an abundant number, since it is smaller than the sum of its proper divisors (98375524).

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

49503900 is a wasteful number, since it uses less digits than its factorization.

49503900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5371 (or 5364 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 49503900 is about 7035.9007952074. The cubic root of 49503900 is about 367.1806657246.

It can be divided in two parts, 49503 and 900, that added together give a triangular number (50403 = T₃₁₇).

The spelling of 49503900 in words is "forty-nine million, five hundred three thousand, nine hundred".