61355494 has 8 divisors (see below), whose sum is σ = 92070720. Its totient is φ = 30665256.

The previous prime is 61355477. The next prime is 61355521. The reversal of 61355494 is 49455316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2152 + ... + 11284.

It is an arithmetic number, because the mean of its divisors is an integer number (11508840).

Almost surely, 2^61355494 is an apocalyptic number.

61355494 is a deficient number, since it is larger than the sum of its proper divisors (30715226).

61355494 is a wasteful number, since it uses less digits than its factorization.

61355494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12494.

The product of its digits is 64800, while the sum is 37.

The square root of 61355494 is about 7832.9747861205. The cubic root of 61355494 is about 394.4129376731.

The spelling of 61355494 in words is "sixty-one million, three hundred fifty-five thousand, four hundred ninety-four".