49812756 has 144 divisors (see below), whose sum is σ = 148646400. Its totient is φ = 12678336.

The previous prime is 49812743. The next prime is 49812769. The reversal of 49812756 is 65721894.

It is an interprime number because it is at equal distance from previous prime (49812743) and next prime (49812769).

It is a super-3 number, since 3×49812756³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 844255 + ... + 844313.

Almost surely, 2^49812756 is an apocalyptic number.

49812756 is a gapful number since it is divisible by the number (46) 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 49812756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74323200).

49812756 is an abundant number, since it is smaller than the sum of its proper divisors (98833644).

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

49812756 is a wasteful number, since it uses less digits than its factorization.

49812756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 113 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 49812756 is about 7057.8152426937. The cubic root of 49812756 is about 367.9426994116.

The spelling of 49812756 in words is "forty-nine million, eight hundred twelve thousand, seven hundred fifty-six".