61919054 has 8 divisors (see below), whose sum is σ = 95038680. Its totient is φ = 30239496.

The previous prime is 61919023. The next prime is 61919057. The reversal of 61919054 is 45091916.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61919057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359909 + ... + 360080.

It is an arithmetic number, because the mean of its divisors is an integer number (11879835).

Almost surely, 2^61919054 is an apocalyptic number.

61919054 is a deficient number, since it is larger than the sum of its proper divisors (33119626).

61919054 is a wasteful number, since it uses less digits than its factorization.

61919054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720034.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 61919054 is about 7868.8661190797. The cubic root of 61919054 is about 395.6168410644.

The spelling of 61919054 in words is "sixty-one million, nine hundred nineteen thousand, fifty-four".