61156054 has 8 divisors (see below), whose sum is σ = 91947240. Its totient is φ = 30506976.

The previous prime is 61156049. The next prime is 61156091. The reversal of 61156054 is 45065116.

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, 34444 + ... + 36175.

It is an arithmetic number, because the mean of its divisors is an integer number (11493405).

Almost surely, 2^61156054 is an apocalyptic number.

61156054 is a deficient number, since it is larger than the sum of its proper divisors (30791186).

61156054 is a wasteful number, since it uses less digits than its factorization.

61156054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71054.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 61156054 is about 7820.2336282236. The cubic root of 61156054 is about 393.9851188690.

It can be divided in two parts, 611 and 56054, that added together give a palindrome (56665).

The spelling of 61156054 in words is "sixty-one million, one hundred fifty-six thousand, fifty-four".