49451512 has 32 divisors (see below), whose sum is σ = 102066480. Its totient is φ = 22274560.

The previous prime is 49451497. The next prime is 49451527. The reversal of 49451512 is 21515494.

It is an interprime number because it is at equal distance from previous prime (49451497) and next prime (49451527).

It is a super-2 number, since 2×49451512² = 4890904078172288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7458 + ... + 12430.

Almost surely, 2^49451512 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 49451512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51033240).

49451512 is an abundant number, since it is smaller than the sum of its proper divisors (52614968).

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

49451512 is a wasteful number, since it uses less digits than its factorization.

49451512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103 (or 5099 counting only the distinct ones).

The product of its digits is 7200, while the sum is 31.

The square root of 49451512 is about 7032.1769033493. The cubic root of 49451512 is about 367.0510957970.

The spelling of 49451512 in words is "forty-nine million, four hundred fifty-one thousand, five hundred twelve".