49172541 has 32 divisors (see below), whose sum is σ = 74981376. Its totient is φ = 28392000.

The previous prime is 49172537. The next prime is 49172549. The reversal of 49172541 is 14527194.

It is a happy number.

It is not a de Polignac number, because 49172541 - 2² = 49172537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49172549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72295 + ... + 72971.

It is an arithmetic number, because the mean of its divisors is an integer number (2343168).

Almost surely, 2^49172541 is an apocalyptic number.

It is an amenable number.

49172541 is a deficient number, since it is larger than the sum of its proper divisors (25808835).

49172541 is a wasteful number, since it uses less digits than its factorization.

49172541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 10080, while the sum is 33.

The square root of 49172541 is about 7012.3135269325. The cubic root of 49172541 is about 366.3595782345.

The spelling of 49172541 in words is "forty-nine million, one hundred seventy-two thousand, five hundred forty-one".