49144725 has 60 divisors (see below), whose sum is σ = 104067744. Its totient is φ = 22459680.

The previous prime is 49144723. The next prime is 49144747. The reversal of 49144725 is 52744194.

It is a happy number.

It is not a de Polignac number, because 49144725 - 2¹ = 49144723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49144725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49144723) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12442 + ... + 15908.

Almost surely, 2^49144725 is an apocalyptic number.

49144725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49144725 is an abundant number, since it is smaller than the sum of its proper divisors (54923019).

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

49144725 is a wasteful number, since it uses less digits than its factorization.

49144725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496 (or 3482 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 49144725 is about 7010.3298781156. The cubic root of 49144725 is about 366.2904842511.

The spelling of 49144725 in words is "forty-nine million, one hundred forty-four thousand, seven hundred twenty-five".