49315690 has 32 divisors (see below), whose sum is σ = 91217664. Its totient is φ = 19187520.

The previous prime is 49315663. The next prime is 49315723. The reversal of 49315690 is 9651394.

It is a super-2 number, since 2×49315690² = 4864074560352200, which contains 22 as substring.

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, 148825 + ... + 149155.

It is an arithmetic number, because the mean of its divisors is an integer number (2850552).

Almost surely, 2^49315690 is an apocalyptic number.

49315690 is a deficient number, since it is larger than the sum of its proper divisors (41901974).

49315690 is a wasteful number, since it uses less digits than its factorization.

49315690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 49315690 is about 7022.5130829355. The cubic root of 49315690 is about 366.7147439254.

It can be divided in two parts, 49315 and 690, that added together give a palindrome (50005).

The spelling of 49315690 in words is "forty-nine million, three hundred fifteen thousand, six hundred ninety".