49989570 has 32 divisors (see below), whose sum is σ = 126290880. Its totient is φ = 12628800.

The previous prime is 49989559. The next prime is 49989581. The reversal of 49989570 is 7598994.

49989570 = T₁₄₆₈ + T₁₄₆₉ + ... + T₁₅₁₂.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49989559) and next prime (49989581).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43281 + ... + 44420.

It is an arithmetic number, because the mean of its divisors is an integer number (3946590).

Almost surely, 2^49989570 is an apocalyptic number.

49989570 is an abundant number, since it is smaller than the sum of its proper divisors (76301310).

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

49989570 is a wasteful number, since it uses less digits than its factorization.

49989570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87730.

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 49989570 is about 7070.3302610274. The cubic root of 49989570 is about 368.3775317836.

The spelling of 49989570 in words is "forty-nine million, nine hundred eighty-nine thousand, five hundred seventy".