49151998 has 48 divisors (see below), whose sum is σ = 91872144. Its totient is φ = 19595520.

The previous prime is 49151987. The next prime is 49152001. The reversal of 49151998 is 89915194.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271468 + ... + 271648.

It is an arithmetic number, because the mean of its divisors is an integer number (1914003).

Almost surely, 2^49151998 is an apocalyptic number.

49151998 is a deficient number, since it is larger than the sum of its proper divisors (42720146).

49151998 is a wasteful number, since it uses less digits than its factorization.

49151998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 370 counting only the distinct ones).

The product of its digits is 116640, while the sum is 46.

The square root of 49151998 is about 7010.8485934300. The cubic root of 49151998 is about 366.3085526487.

The spelling of 49151998 in words is "forty-nine million, one hundred fifty-one thousand, nine hundred ninety-eight".