49612428 has 54 divisors (see below), whose sum is σ = 127723596. Its totient is φ = 16237584.

The previous prime is 49612393. The next prime is 49612463. The reversal of 49612428 is 82421694.

It is an interprime number because it is at equal distance from previous prime (49612393) and next prime (49612463).

It is a super-2 number, since 2×49612428² = 4922786024110368, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 49612392 and 49612401.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 161451 + ... + 161757.

Almost surely, 2^49612428 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 49612428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63861798).

49612428 is an abundant number, since it is smaller than the sum of its proper divisors (78111168).

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

49612428 is a wasteful number, since it uses less digits than its factorization.

49612428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 379 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 49612428 is about 7043.6090181100. The cubic root of 49612428 is about 367.4487947538.

The spelling of 49612428 in words is "forty-nine million, six hundred twelve thousand, four hundred twenty-eight".