61956542 has 8 divisors (see below), whose sum is σ = 93043416. Its totient is φ = 30942072.

The previous prime is 61956539. The next prime is 61956577. The reversal of 61956542 is 24565916.

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

It is a super-2 number, since 2×61956542² = 7677226193195528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61956496 and 61956505.

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, 15908 + ... + 19415.

It is an arithmetic number, because the mean of its divisors is an integer number (11630427).

Almost surely, 2^61956542 is an apocalyptic number.

61956542 is a deficient number, since it is larger than the sum of its proper divisors (31086874).

61956542 is a wasteful number, since it uses less digits than its factorization.

61956542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36202.

The product of its digits is 64800, while the sum is 38.

The square root of 61956542 is about 7871.2478045098. The cubic root of 61956542 is about 395.6966651311.

The spelling of 61956542 in words is "sixty-one million, nine hundred fifty-six thousand, five hundred forty-two".